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United States Army Lt. Gen. John Kimmons with a copy of the Army Field Manual, FM 2-22.3, Human Intelligence Collector Operations, in 2006 FM-34-45. United States Army Field Manuals are published by the United States Army's Army Publishing Directorate. They contain detailed information and how-tos for procedures important to soldiers serving in ...
FM: The FM radio band was established on January 1, 1941, and from the beginning educational stations received standard unique four-letter call signs. Commercial stations within the original FM band were assigned transmitting frequencies that spanned from 43.1 MHz to 49.9 MHz, and the FCC initially issued these stations standardized call signs ...
The causes of sporadic E are not fully understood, but these "clouds" of ionization can provide short-term propagation from 17 metres all the way up to occasional 2 metre openings. FM operations are normally found at the high end of the band (Also repeaters are in the 29.500–29.700 MHz segment in many countries).
The United States Army has published military phrase books in Esperanto, [60] to be used from the 1950s until the 1970s in war games by mock enemy forces. A field reference manual, FM 30-101-1 Feb. 1962, [61] contained the grammar, English-Esperanto-English dictionary, and common phrases. In the 1970s Esperanto was used as the basis for Defense ...
Later in the month, a number of gun control organizations such as the Brady Campaign wrote a collaborative letter to U.S. President Barack Obama, citing the weapon's use by the Fort Hood shooter and Mexican drug cartels, and calling on him to ban importation of the Five-seven pistol and 5.7×28mm ammunition. [68]
The General Dynamics FIM-43 Redeye is a man-portable surface-to-air missile system. It uses passive infrared homing to track its target. Production began in 1962 and – in anticipation of the Redeye II, which later became the FIM-92 Stinger – ended in the early 1970s (delivery of the last Redeye for the US Army was completed in July 1971) [2] [3] after about 85,000 rounds had been built.
Carroll Shelby was born on January 11, 1923, to Warren Hall Shelby, a rural mail carrier, and his wife, Eloise Shelby (born Lawrence), in Leesburg, Texas. [5] [6] The younger Shelby suffered from heart valve leakage problems by age 7 and related complications throughout his life.
The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...