Signal Corps (United States Army)

United States Army Signal Corps

Coat of Arms
Active 3 March 1863  present
Country  United States of America
Allegiance United States of America
Branch  United States Army Regular Army
U.S. National Guard
U.S. Army Reserve
Garrison/HQ Fort Gordon, Georgia, U.S.
(English: Watchful for the Country)[1]
Corps Colors Orange and White
Anniversaries 21 June 1860
Engagements American Civil War
Indian Wars
Spanish–American War
Philippine–American War
World War I{Occupation}
World War II
Korean War
Vietnam War
Operation Desert Storm
Operation Enduring Freedom
Operation Iraqi Freedom
Chief of Signal COL Robert L. Edmonson
Sergeant Major of the Regiment CSM Robert A. Daniel Jr.
Regimental Chief Warrant Officer CW5 Peter T. Winter
BG Albert J. Myer
BG Adolphus Greely
Branch Insignia
Regimental Insignia

The United States Army Signal Corps (USASC) develops, tests, provides, and manages communications and information systems support for the command and control of combined arms forces. It was established in 1860, the brainchild of United States Army Major Albert J. Myer, and has had an important role from the American Civil War through to the current day. Over its history, it had the initial responsibility for a number of functions and new technologies that are currently managed by other organizations, including military intelligence, weather forecasting, and aviation.

Mission statement

Support for the command and control of combined arms forces. Signal support includes Network Operations (information assurance, information dissemination management, and network management) and management of the electromagnetic spectrum. Signal support encompasses all aspects of designing, installing, data communications networks that employ single and multi-channel satellite, tropospheric scatter, terrestrial microwave, switching, messaging, video-teleconferencing, visual information, and other related systems. They integrate tactical, strategic and sustaining base communications, information processing and management systems into a seamless global information network that supports knowledge dominance for Army, joint and coalition operations.[2]

Early history

For more details on this topic, see Signal Corps in the American Civil War.

While serving as a medical officer in Texas in 1856, Albert James Myer proposed that the Army use his visual communications system, called aerial telegraphy (or "wig-wag"). When the Army adopted his system on 21 June 1860, the Signal Corps was born with Myer as the first and only Signal Officer.[3]

Major Myer first used his visual signaling system on active service in New Mexico during the early 1860s Navajo expedition. Using flags for daytime signaling and a torch at night, wigwag was tested in Civil War combat in June 1861 to direct the fire of a harbor battery at Fort Wool against the Confederate positions opposite Fort Monroe. For nearly three years, Myer was forced to rely on detailed personnel, although he envisioned a separate, trained professional military signal service.

Myer's vision came true on 3 March 1863, when Congress authorized a regular Signal Corps for the duration of the war. Some 2,900 officers and enlisted men served, although not at any single time, in the Civil War Signal Corps.

Myer's Civil War innovations included an unsuccessful balloon experiment at First Bull Run, and, in response to McClellan's desire for a Signal Corps field telegraph train, an electric telegraph in the form of the Beardslee magnetoelectric telegraph machine. Even in the Civil War, the wigwag system, restricted to line-of-sight communications, was waning in the face of the electric telegraph.

Initially, Myer used his office downtown in Washington, D.C. to house the Signal Corps School. When it was found to need additional space, he sought out other locations. First came Fort Greble, one of the Defenses of Washington during the Civil War, and when that proved inadequate, Myer chose Fort Whipple, on Arlington Heights overlooking the National Capital. The size and location were outstanding. The school remained there for over 20 years and ultimately was renamed Fort Myer.

Signal Corps detachments participated in campaigns fighting Native Americans in the west, such as the Powder River Expedition of 1865.

The electric telegraph, in addition to visual signaling, became a Signal Corps responsibility in 1867. Within 12 years, the Corps had constructed, and was maintaining and operating, some 4,000 miles of telegraph lines along the country's western frontier.

In 1870, the Signal Corps established a congressionally mandated national weather service. Within a decade, with the assistance of Lieutenant Adolphus Greely, Myer commanded a weather service of international acclaim. Myer died in 1880, having attained the rank of brigadier general and the title of Chief Signal Officer. The weather bureau became part of the U.S. Department of Agriculture in 1891, while the Corps retained responsibility for military meteorology.

Click photo to enlarge for history of the wigwag.

The Signal Corps' role in the Spanish–American War of 1898 and the subsequent Philippine Insurrection was on a grander scale than it had been in the Civil War. In addition to visual signaling, including heliograph, the Corps supplied telephone and telegraph wire lines and cable communications, fostered the use of telephones in combat, employed combat photography, and renewed the use of balloons. Shortly after the war, the Signal Corps constructed the Washington-Alaska Military Cable and Telegraph System (WAMCATS) also known as the Alaska Communications System (ACS), introducing the first wireless telegraph in the Western Hemisphere.

US Army Signal Corps automobile at the Manassas maneuvers in 1904

World War I

For more details on this topic, see Aeronautical Division, U.S. Signal Corps and Aviation Section, U.S. Signal Corps

On 1 August 1907, an Aeronautical Division was established within the Office of the Chief Signal Officer (OCSO). In 1908, on Fort Myer, Virginia, the Wright brothers made test flights of the Army's first airplane built to Signal Corps' specifications. Reflecting the need for an official pilot rating, War Department Bulletin No. 2, released on 24 February 1911, established a "Military Aviator" rating. Army aviation remained within the Signal Corps until 1918, when it became the Army Air Service.

The Signal Corps lost no time in meeting the challenges of World War I. Chief Signal Officer George Owen Squier worked closely with private industry to perfect radio tubes while creating a major signal laboratory at Camp Alfred Vail (Fort Monmouth). Early radiotelephones developed by the Signal Corps were introduced into the European theater in 1918. While the new American voice radios were superior to the radiotelegraph sets, telephone and telegraph remained the major technology of World War I.

First military assigned to the Army Signal Corps' ballooning program
New Guinea. Radio Operator, Cpl. John Robbins of Louisville, Nebraska, 41st Signal, 41st Infantry Division, operating his SCR 188 in a sandbagged hut at Station NYU. Dobodura, New Guinea on 9 May 1943.

A pioneer in radar, Colonel William Blair, director of the Signal Corps laboratories at Fort Monmouth, patented the first Army radar demonstrated in May 1937. Even before the United States entered World War II, mass production of two radar sets, the SCR-268 and the SCR-270, had begun. Along with the Signal Corps' tactical FM radio, also developed in the 1930s, radar was the most important communications development of World War II.

During World War I, women switchboard operators, known as the "Hello Girls", were sworn into the U.S. Army Signal Corps. Despite the fact that they wore U.S. Army Uniforms and were subject to Army Regulations (Chief Operator Grace Banker received the Distinguished Service Medal), they were not given honorable discharges but were considered "civilians" employed by the military, because Army Regulations specified the male gender. Not until 1978—the 60th anniversary of the end of World War I—did Congress approve Veteran Status/Honorable discharges for the remaining "Hello Girls".[4]

World War II

World War II signal corps reenactment

When the War Department was reorganized on 9 March 1942, the Signal Corps became one of the technical services in the Services of Supply (later Army Service Forces). Its organized components served both the Army Ground Forces and the Army Air Forces.

The Army Chief Signal Officer (CSO) was responsible for establishing and maintaining communications service schools for officers and enlisted soldiers, ranging in qualifications from those holding doctorates to functional illiterates. The single pre-war Signal training site was Fort Monmouth, New Jersey. To keep up with the demand for more signalleers, the CSO opened more training facilities: Camp Crowder, Missouri; Camp Kohler, California; and Camp Murphy, Florida.[5]

The Eastern Signal Corps Training Center at Fort Monmouth consisted of an officers' school, an officer candidate school, an enlisted school and a basic training center at subpost Camp Wood. The officer candidate school operated from 1941 to 1946 and graduated 21,033 Signal Corps second lieutenants.

The term "RADAR" was coined by the Navy in 1940 and agreed to by the Army in 1941. The first Signal Corps Field Manual on Aircraft Warning Service defined RADAR as "a term used to designate radio sets SCR (Signal Corps Radio)-268 and SCR-270 and similar equipment". The SCR-268 and 270 were not radios at all, but were designated as such to keep their actual function secret. Although important offensive applications have since been developed, radar emerged historically from the defensive need to counter the possibility of massive aerial bombardment.

In 1941, the laboratories at Fort Monmouth developed the SCR-300, the first FM backpack radio. Its pioneering frequency modulation circuits provided front-line troops with reliable, static-free communications. The labs also fielded multichannel FM radio relay sets (e.g., AN/TRC-1) in the European Theater of Operations as early as 1943. Multichannel radio broadcasting allowed several channels of communications to be broadcast over a single radio signal, increasing security and range and relieving frequency spectrum crowding. FM radio relay and radar are typically rated among the four of five "weapon systems" that made a difference in World War II.

In December 1942, the War Department directed the Signal Corps General Development Laboratories and the Camp Evans Signal Lab to combine into the Signal Corps Ground Service (SCGS) with headquarters at Bradley Beach, New Jersey (Hotel Grossman). The Department also directed the Signal Corps Ground Service to cut total military and civilian personnel from 14,518 military and civilian personnel to 8,879 by August 1943. In June 1944, "Signees", former Italian prisoners of war, arrived at Fort Monmouth to perform housekeeping duties. A lieutenant colonel and 500 enlisted men became hospital, mess, and repair shop attendants, relieving American soldiers from these duties.

One of the more unusual units of the Signal Corps were the Joint Assault Signals Companies (JASCOs).[6] These companies were Signal Corps units that were made up of several hundred Army, Air Corps, and United States Navy communications specialists specially trained to link land, sea and air operational elements. They saw combat throughout the Pacific and European[7] theaters during World War II in late 1943. JASCOs were much larger than normal signal companies. The Joint Assault Signals Companies were the predecessor to the Air-Naval Gunfire Liaison Company that exists today. JASCOs represented but one of many unprecedented Signal Corps' activities in the Pacific theater. Shipboard fighting was a new kind of combat for Signal Corps soldiers. Army communicators sometimes plied their trade aboard Navy and civilian ships. Signal Corps personnel also served on Army communications ships.

Argosy Lemal c. 1940, one of two Australian vessels acquired by the SWPA chief signal officer for the SWPA CP fleet.

In particular the Southwest Pacific Area (SWPA) formed a fleet, unofficially known as the "Catboat Flotilla" and formally as the CP fleet that served as command and communication vessels during amphibious operations, starting with two Australian schooners Harold and Argosy Lemal acquired by the Army and converted during the first half of 1943 by Australian firms into communications ships with AWA radio sets built by Amalgamated Wireless of Australia installed.[8][9] These initial vessels were joined by Geoanna, Volador[10][11] and later by a more capable fleet as described in The Signal Corps: The Outcome (Mid-1943 Through 1945):

The first task was to obtain ships more suitable than the Harold or the Argosy. Such a ship was the freighterpassenger, FP-47, acquired by Signal Corps in March 1944, at Sydney. The Army had built her in the United States in 1942, a sturdy, wooden, diesel-driven vessel only 114 feet long, but broad, of 370 tons, intended for use in the Aleutians. Instead she had sailed to Australia as a tug. The Signal Corps fitted her with Australian transmitters and receivers, also with an SCR-300 walkietalkie, two SCR-808's, and an SCR-608, plus power equipment, antennas, and, finally, quarters for the Signal Corps operators. The Australian sets were intended for long-range CW signals operating in the high frequencies; the SCR's were short-range VHF FM radios for use in the fleet net and for ship-toshore channels. Armed with antiaircraft weapons and machine guns (served by 12 enlisted men of the Army ship and gun crews), navigated by a crew of 6 Army Transport Service officers and the 12 men already mentioned, the FP-47 was ready for service in June. Her Signal Corps complement consisted of one officer and 12 men.
The facilities of FP-47 were needed immediately at Hollandia to supplement the heavily loaded signal nets that could hardly carry the message burden imposed by the invasion and the subsequent build-up there of a great base. Arriving on 25 June, she anchored offshore and ran cables to the message centers on land. Her powerful transmitters opened new channels to SWPA headquarters in Brisbane and to the advance headquarters still at Port Moresby. At Hollandia, and at Biak, to which the FP-47 moved early in September, this one ship handled an average of 7,000 to 11,000 code groups a day.[9]

Many film industry personalities served in the Signal Corps, including Tony Randall, the actor, and Jean Shepherd, radio storyteller, author and narrator of A Christmas Story.

In 1942 General George C. Marshall ordered the creation of the Army Pictorial Service (APS) to produce motion pictures for the training, indoctrination, and entertainment of the American forces and their Allies. The APS took over Kaufman Astoria Studios in 1942 and produced over 2,500 films during the war with over 1,000 redubbed in other languages.[12] The Army left Astoria studios and film production in 1971.

Julius Rosenberg worked for the Signal Corps Labs from 1940 to 1945. He was dismissed early in 1945 when it was learned he had been a member of the Communist Party USA secret apparatus, and had passed to the Soviet Union the secret of the proximity fuze.

Cold War

SC345199 – Korean War Equipment at Repeater Station, Taegu, Korea. Quad cable terminal on left, testboard on right and center on 1 August 1950.

The Signal Corps' Project Diana, in 1946, successfully bounced radar signals off the moon, paving the way for space communications.

In 1948 researchers at Fort Monmouth grew the first synthetically produced large quartz crystals. The crystals were able to be used in the manufacture of electronic components, and made the United States largely independent of foreign imports for this critical mineral. In 1949 the first auto-assembly of printed circuits was invented. A technique for assembling electronic parts on a printed circuit board, developed by Fort Monmouth engineers, pioneered the development and fabrication of miniature circuits for both military and civilian use. Although they did not invent the transistor, Fort Monmouth scientists were among the first to recognize its importance, particularly in military applications, and did pioneer significant improvements in its composition and production.

Everything was to change as world tensions increased with the Cold War and the Berlin Airlift. To sustain the Army's worldwide commitments, it again became necessary to enlarge the capacity of every activity on-post.

In June 1950, with the onset of the Korean War, President Harry S. Truman quickly received the necessary authorization to call the National Guard and Organized Reserves to 21 months of active duty. He also signed a bill extending the Selective Service Act until 9 July 1951. The Officer Candidate School was reestablished.

The fighting in Korea brought to light the need for new techniques in the conduct of modern warfare. The use of mortars by the enemy, and the resultant need to quickly locate and destroy the mortar sites resulted in development of the Mortar-Radar Locator AN/MPQ-3 and AN/MPQ-10 at the Communications Electronics Research and Development Engineering Center, better known as the Albert J. Myer Center, or simply, the Hexagon. Korea's terrain and road nets, along with the distance and speed with which communications were forced to travel, limited the use of wire. The Signal Corps' VHF radio became the "backbone" of tactical communications throughout the war.

The development of new equipment, however, placed requirements on the Signal Corps to provide increased numbers of trained electronics personnel to work in the fire control and guided missiles firing battery systems. To meet this need, Signal Corps Training Units—the 9614th and 9615th—were established at Aberdeen, Maryland and Redstone Arsenal in Alabama. These units provided instruction on electronics equipment used in the anti-aircraft artillery and guided missile firing systems.

Following the arrest of the Julius and Ethel Rosenberg in 1950, two former Fort Monmouth scientists, Joel Barr and Alfred Sarant, defected to the Soviet Union. On 31 August 1953, having received word of possible subversive activities from Fort Monmouth's commanding general, Kirke B. Lawton, the Chairman of the Permanent Subcommittee on Investigations (PSI), Senator Joseph McCarthy, suspected a spy ring still existed in the Signal Corps labs. At first, McCarthy conducted his hearings behind closed doors, but opened them to the public on 24 November 1953. Extensive Congressional hearings were continued in 1955 under the chairmanship of Senator John McClellan of Arkansas.

In the 1950s the Army Pictorial Service produced a series of television programs called The Big Picture that were often aired on American television. The last episode was produced in 1971.[13]

On 18 December 1958, with Air Force assistance, the Signal Corps launched its first communications satellite, Project SCORE, demonstrating the feasibility of worldwide communications in delayed and real-time mode by means of relatively simple active satellite relays.

The Vietnam War's requirement for high-quality telephone and message circuits led to the Signal Corps' deployment of tropospheric-scatter radio links that could provide many circuits between locations more than 200 miles apart. Other developments included the SYNCOM satellite communications service, and a commercial fixed-station system known as the Integrated Wideband Communications System, the Southeast Asia link in the Defense Communications System.

Korean War and Vietnam War

During the Korean War and Vietnam War the Signal Corps operated Officer Candidate Schools initially at Fort Monmouth in 1950–1953, graduating 1,234 officers, and at Fort Gordon in 1965–1968, which produced 2,213 signal officers. (The World War II Signal OCS program at Fort Monmouth, from 1941–1946 graduated 21,033 Signal Corps Officers.)

Modern warfare utilizes three main sorts of Signal soldiers. Some are assigned to specific military bases ("Base Ops"), and they are charged with installation, operation and maintenance of the base communications infrastructure along with hired civilian contracted companies. Others are members of non-Signal Army units, providing communications capability for those with other jobs to accomplish (e.g. infantry, medical, armor, etc.) in much the same way as, say, the unit supply sections, unit clerks, or chemical specialists. The third major sort of Signaleer is one assigned to a Signal unit. That is to say, a unit whose only mission is to provide communications links between the Army units in their area of operations and other signal nodes in further areas served by other Signal units.

Sending radio signals across the vast Pacific Ocean had always been sketchy and unreliable. In August 1964, radio communications across the sea were given a huge boost in quality: The first satellite terminal ever installed in a combat zone was installed in Ba Queo, near Saigon, led by Warrant Officer Jack Inman.[14] This enabled trustworthy communications to Hawaii, and thereby to Washington, D.C.

From north to south, communicating across the varied landscapes of Vietnam presented a variety of challenges, from mountains to jungle. The answer came by utilizing the technology of "troposcatter". A radio signal beamed up into the atmosphere is "bounced" back down to Earth with astonishingly good results, bypassing debilitating terrain. The Army had little experience with this technology, so they contracted the development of the systems to Page Engineering. In January 1962, Secretary of Defense Robert McNamara approved the system of troposcatter units under the operational name of BACKPORCH.[15]

The escalation of the number of troops in the Vietnam War caused an increasing need for more communications infrastructure. In the spring of 1966 the assorted Signal units were reassigned to the newly formed 1st Signal Brigade.[16] By the close of 1968 this brigade consisted of six Signal groups, and 22 Signal battalions—roughly 23,000 soldiers.[17]

The first Vietnam War death on the battlefield was a Signal Corps radio operator, SP4 James Thomas Davis of the 3rd Radio Research Unit of the [United States Army Security Agency].

Post Vietnam and Gulf War

A major program in 1988 was the initial production and deployment phase of the mobile-subscriber equipment system (MSE). The MSE system called for setting up the equivalent of a mobile telephone network on a battlefield, allowing a commander or Tactical Operations Center (TOC) to connect mobile telephones and fax machines in vehicles with each other, sending and receiving secure information. Talking through signal nodes, MSE established a seamless connection from the battlefield even back to commercial telephone lines. Significant to the Signal soldiers, MSE was fielded on the backs of Humvee, rather than on the larger, less-mobile M35 2-1/2 ton cargo trucks—the "deuce and a half".[18]

By the 1990s, most Army units had replaced their older VRC-12 series FM radios for the new SINCGARS ("SINgle-Channel Ground-Air Radio Systems") family of equipment. Rather than sending a signal along one signal frequency, the SINCGARS radios sent its signals across many frequencies, "hopping" from one frequency to another at lightning speed. This allowed many channels of talk to share an already-crowded frequency spectrum.[19] Later generations of these radios combined the communications security (COMSEC) encryption devices with the receiver/transmitter, making a single easier-to-program unit. Most significant, the SINCGARS radios could send and receive digital traffic with great fidelity.[20] By the advent of Operation Desert Shield, all Army units were deployed using the most secure FM communications in the world. Of note for the Signaleer, the SINCGARS radios have a failure rate in extreme heat of once every 7,000 hours compared to the VRC-12 series' failure rate of 2–300 hours.[21]

Global War on Terror

Since 11 September 2001, the Signal Corps has been supporting the Global War on Terror in both Operation Enduring Freedom and Operation Iraqi Freedom. The Signal Corps is currently fielding the Warfighter Information Network – Tactical (WIN-T). It will eventually provide "On-The-Move" down to the Company level for Maneuver, Fires and Aviation Brigades, and will fully support the Future Combat Systems (FCS) program; and also provide protected Satellite Communications "On-The-Move" capability against jamming, detection and intercept and will be aligned with the Telecommunications Satellite (TSAT) program.[22]

Military occupational specialties

A member of the Signal Corps shoots video of 10th Mountain Division soldiers as they search a mountainside near Shkin Firebase in late 2003.

Signal Corps military occupational specialties are:


  • 25B: Information Technology Specialist
  • 25C: Radio Operator / Maintainer
  • 25D: Cyber Network Defender
  • 25E: Electromagnetic Spectrum Manager
  • 25F: Network Switching Systems Operator / Maintainer
  • 25L: Cable Systems Installer / Maintainer
  • 25M: Multimedia Illustrator
  • 25N: Nodal Network Systems Operator / Maintainer
  • 25P: Microwave Systems Operator / Maintainer
  • 25Q: Multichannel Transmission Systems Operator / Maintainer
  • 25R: Visual Information Equipment Operator / Maintainer
  • 25S: Satellite Communication Systems Operator / Maintainer
  • 25T: Satellite / Microwave Systems Chief
  • 25U: Signal Support Systems Specialist
  • 25V: Combat Documentation / Production Specialist
  • 25W: Telecommunications Operations Chief
  • 25X: Senior Signal Sergeant (no longer used)
  • 25Z: Visual Information Operations Chief


Warrant Officer

Note 1: 250N has been changed to 255N.[24]
Note 2: 251A and 254A have been merged into 255A.[25]
Note 3: 255S is new.[26]

Commissioned Officer Areas of Concentration (AOC)

Commissioned Officer Functional Areas (FA)

Heraldic items

Coat of Arms

The Signal Corps Regimental Color
  1. Orange and white are the colors traditionally associated with the Signal Corps.
  2. The signal flag suspended from a baton is adopted from a badge that originated in 1865 and was called the Order of the Signal Corps.
  3. The bronze battle star represents formal recognition for participation in combat. It adorned a signal flag and was first awarded to Signal Corps soldiers in 1862.

Branch insignia

  1. "Crossed flags" have been used by the Signal Corps since 1868, when they were prescribed for wear on the uniform coat by enlisted men of the Signal Corps.
  2. In 1884, a burning torch was added to the insignia and the present design adopted on 1 July 1884.
  3. The flags and torch are symbolic of signaling or communication.

Distinctive Unit Insignia

  1. The gold eagle holds in his talons a golden baton, from which descends a signal flag.
  2. The design originated in 1865 from a meeting of Signal Corps officers, led by Major Albert J. Myer, the chief signal officer, in Washington, D.C.
  3. The badge was a symbol of faithful service and good fellowship for those who served together in war and was called the Order of the Signal Corps.
  4. The motto PRO PATRIA VIGILANS (Watchful for the Country) was adopted from the Signal School insignia and serves to portray the cohesiveness of Signal soldiers and their affiliation with their regimental home.
  5. The laurel wreath depicts the myriad of achievements through strength made by the Corps since its inception.
  6. The battle star centered on the wreath represents formal recognition for participation in combat. It adorned a signal flag and was first awarded to Signal Corps soldiers in 1862. The battle star typifies the close operational relationship between the combined arms and the Signal Corps.


Branch color

Notable members

Notable members of the Signal Corps include General of the Army (later General of the Air Force) Henry H. Arnold, Frank Capra, Frank Lautenberg, Stan Lee, Tony Randall, Jean Shepherd, John C. Holmes, Julius Rosenberg, Darryl Zanuck, and Samuel Alito.

Five members of the Signal Corps have been awarded the Medal of Honor:

See also


  1. "Signal Corps History". Retrieved 2012-12-01.
  2. "Signal Units". US Army Signal School. Retrieved 19 May 2015.
  3. "Army Birthdays". United States Army Center of Military History. 31 July 2009. Retrieved 1 June 2010.
  4. Archived 25 June 2008 at the Wayback Machine.
  5. Thompson, et al. U.S. Army in World War II: The Technical Services, The Signal Corps: The Test (Office of the Chief of Military History Department of the Army, Washington, D.C. 1957) pp.186–217
  6. Thompson, George Raynor; Harris, Dixie R. (1991). United States Army In World War II-The Technical Services-The Signal Corps: The Outcome (Mid-1943 Through 1945). Center Of Military History, United States Army. p. 231.
  7. Video: American Army Women Serving On All Fronts Etc. (1944). Universal Newsreel. 1944. Retrieved 21 February 2012.
  8. Masterson, Dr. James R. (1949). U. S. Army Transportation In The Southwest Pacific Area 1941-1947 (PDF). Washington: Transportation Unit, Historical Division, Special Staff, U. S. Army. pp. 370, 570–571. Retrieved 4 May 2013.
  9. 1 2 Thompson, George Raynor; Harris, Dixie R. (1991). United States Army In World War II-The Technical Services-The Signal Corps: The Outcome (Mid-1943 Through 1945). Center Of Military History, United States Army. pp. 259–265, 275–288.
  10. Grover, David (1987). U.S. Army Ships and Watercraft of World War II. Naval Institute Press. p. 146. ISBN 0-87021-766-6.)
  11. Lunney, Bill; Finch, Frank (1995). Forgotten Fleet. Medlowie NSW, Australia: Forfleet Publishing. p. 136. ISBN 0-646-26048-0.)
  12. "Fort Gordon".
  14. Rienzi, Thomas. Vietnam Studies. Communications-Electronics 1962–1970, Department of the Army, Washington, D.C., 1972. p. 19.
  15. Rienzi. p. 361.
  16. Raines, Rebecca Robbins, Getting the Message Through: A Branch History of the U.S. Army Signal Corps, Center of Military History, United States Army, Washington, D.C. 1999. p. 371
  17. Rienzi. p. v.
  18. Raines. pp. 394–95.
  19. Center for Army Lessons Learned (CALL) Newsletter No. 92-1, Operations Desert Shield – Desert Storm, Jan. 1992. P. 4.
  20. Raines. pp. 396–7.
  21. Raines. p. 407.
  23. " - Signal Corps Jobs / Military Occupational Specialties (MOS) List".
  24. "U.S. Army Recruiting Command's Warrant Officer Recruiting Information Site". Retrieved 2012-12-01.
  25. "U.S. Army Recruiting Command's Warrant Officer Recruiting Information Site". Retrieved 2012-12-01.
  26. Archived 8 August 2009 at the Wayback Machine.
  27. Referenced 2014-05-08
  28. Referenced 2014-05-08
  29. "U.S. Army Regulations Illustration: Link 158 Signal Corps Uniforms". Retrieved 2012-12-01.


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