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  2. Military time zone - Wikipedia

    en.wikipedia.org/wiki/Military_time_zone

    The Zulu time zone (Z) is equivalent to Coordinated Universal Time (UTC) and is often referred to as the military time zone. The military time zone system ensures clear communication in a concise manner, and avoids confusion when coordinating across time zones. The CCEB, representing the armed forces of Australia, Canada, New Zealand, the ...

  3. Time of useful consciousness - Wikipedia

    en.wikipedia.org/wiki/Time_of_useful_consciousness

    Time of useful consciousness ( TUC ), also effective performance time ( EPT ), is defined as the amount of time an individual is able to function effectively (e.g. perform flying duties) in an environment of inadequate oxygen supply. [1] It is the period of time from the interruption of the oxygen supply or exposure to an oxygen-poor ...

  4. Military designation of days and hours - Wikipedia

    en.wikipedia.org/wiki/Military_designation_of...

    H-Hour. The specific time at which an operation or exercise commences, or is due to commence (this term is used also as a reference for the designation of days/hours before or after the event). (NATO); also known as 'Zero Hour'. I-Day. Used informally within the U.S. military bureaucracy to variously designate the "Implementation Day" or the ...

  5. U.S. Army hand and arm signals - Wikipedia

    en.wikipedia.org/wiki/U.S._Army_hand_and_arm_signals

    Hand and arm signals for United States Army use were first established in Field Manual 21-60. They were amended in Training Circular 3-21.60. [1] Hand and Arm signals are one of the most common forms of communication used by United States Army soldiers or group of soldiers when a radio silence is in effect or if the soldiers need to remain ...

  6. Pittsburgh International Airport - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_International...

    Four cargo buildings provide more than 183,000 square feet (17,001 m 2) of warehouse capacity and over 450,000 square feet (41,806 m 2) of apron space. [96] The airport has begun construction on a new 80,000 sq ft cargo facility with 17 truck loading docks and enough apron space for two Boeing 747 freighters to be loaded or unloaded simultaneously.

  7. Military badges of the United States - Wikipedia

    en.wikipedia.org/wiki/Military_badges_of_the...

    Example of U.S. Army badges on the Operational Camouflage Pattern uniform (worn above the U.S. Army nametape). Military badges of the United States are awards authorized by the United States Armed Forces that signify rating, qualification, or accomplishment in several career fields, and also serve as identification devices for personnel occupying certain assignments.

  8. McDonnell Douglas F-15 Eagle - Wikipedia

    en.wikipedia.org/wiki/McDonnell_Douglas_F-15_Eagle

    The McDonnell Douglas F-15 Eagle is an American twin-engine, all-weather fighter aircraft designed by McDonnell Douglas (now part of Boeing ). Following reviews of proposals, the United States Air Force (USAF) selected McDonnell Douglas's design in 1969 to meet the service's need for a dedicated air superiority fighter.

  9. Unmanned combat aerial vehicle - Wikipedia

    en.wikipedia.org/wiki/Unmanned_combat_aerial_vehicle

    A British MQ-9A Reaper operating over Afghanistan in 2009. An unmanned combat aerial vehicle (UCAV), also known as a combat drone, fighter drone or battlefield UAV, is an unmanned aerial vehicle (UAV) that is used for intelligence, surveillance, target acquisition, and reconnaissance and carries aircraft ordnance such as missiles, anti-tank guided missiles (ATGMs), and/or bombs in hardpoints ...