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Field telephones are telephones used for military communications. They can draw power from their own battery, from a telephone exchange (via a central battery known as CB), or from an external power source. Some need no battery, being sound-powered telephones. Telephone linesmen ford Lunga River during the Guadalcanal Campaign of World War II
North Vietnamese women played an important role in the creation and maintenance of the Ho Chi Minh trail, which the United States National Security Agency called "one of the great achievements of military engineering of the 20th century" for its effectiveness in supplying troops in the south despite being the target of one of the most intense air interdiction campaigns in history. [23]
A French telegrapher, Juliette Dodu (1848–1909), became a heroine of the Franco-Prussian War of 1870 when she reputedly tapped the telegraph lines being used by the Prussian military and passed the information to French military forces. By 1880, 230 of the 624 telegraphers at the Paris Central Telegraphique, or 37 percent, were women.
The AN/PRC-77 entered service in 1968 during the Vietnam War as an upgrade to the earlier AN/PRC-25.It differs from its predecessor mainly in that the PRC-77's final power amplifier stage is made with a transistor, eliminating the only vacuum tube in the PRC-25, as well as the DC-DC voltage converter used to create the high plate voltage for the tube from the 15 V battery.
The most famous group of American operators were the Hello Girls in the "Women of the Signal Corps Female Telephone Operators Unit" of the American Expeditionary Forces in 1917–1919. They were bilingual female switchboard operators sent to France in the World War I. These 223 women were not formally recognized for their military service until ...
Campbell, D'Ann. "Women in Combat: The World War Two Experience in the United States, Great Britain, Germany, and the Soviet Union", Journal of Military History 57 (April 1993), 301–323 online and in JSTOR 2944060; Campbell, D'Ann. "The women of World War II." in A Companion to World War II ed. by Thomas W. Zeiler(2013) 2:717–738. online
WAC Air Controller painting by Dan V. Smith, 1943. The Women's Army Corps (WAC) was the women's branch of the United States Army.It was created as an auxiliary unit, the Women's Army Auxiliary Corps (WAAC), on 15 May 1942, and converted to an active duty status in the Army of the United States as the WAC on 1 July 1943.
The AN/PRC-6 was designed and used by the US military during the Korean War, and was in use by the US Marine Corps as late as 1972. It was commonly known as the (correctly) "Handie Talkie" [4] or (incorrectly) "walkie-talkie," "banana radio," or "Prick-6." [5] The AN/PRC 6 was also used by various NATO nations. It was manufactured under license ...