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  2. Environmental stress screening - Wikipedia

    en.wikipedia.org/wiki/Environmental_stress_screening

    Environmental stress screening (ESS) refers to the process of exposing a newly manufactured or repaired product or component (typically electronic) to stresses such as thermal cycling and vibration in order to force latent defects to manifest themselves by permanent or catastrophic failure during the screening process. The surviving population ...

  3. 645th Aeronautical Systems Group - Wikipedia

    en.wikipedia.org/wiki/645th_Aeronautical_Systems...

    Emblem of the 645 Aeronautical Systems Group. Big Safari is a United States Air Force program begun in 1952 which provides management, direction, and control of the acquisition, modification, and logistics support for special purpose weapons systems derived from existing aircraft and systems.

  4. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/wiki/1951_USAF_resolution_test...

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.

  5. Air Force Security Forces Center - Wikipedia

    en.wikipedia.org/wiki/Air_Force_Security_Forces...

    The Air Force Security Forces Center (AFSFC) organizes, trains, and equips Air Force security forces worldwide. It develops force protection doctrine, programs, and policies by planning and programming resources to execute the missions of nuclear and non-nuclear weapon system security, physical security, integrated defense, combat arms, law enforcement, anti-terrorism, resource protection, and ...

  6. U.S. helicopter armament subsystems - Wikipedia

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

    The XM-218, 0.50 caliber aircraft machine gun is a belt-fed, recoil-operated, air-cooled, alternate-feed weapon fired from the closed bolt position. It is capable of firing at a rapid rate of 750-850 rounds per minute. M240D; The M240D machine gun is a belt-fed, gas-operated, air-cooled, alternate-feed automatic weapon fired from the open bolt ...

  7. 64th Air Expeditionary Group - Wikipedia

    en.wikipedia.org/wiki/64th_Air_Expeditionary_Group

    The 64th Air Expeditionary Group is a provisional United States Air Force group, most recently assigned to AFNORTH.In that capacity, in support of FEMA operations across the United States, the 64 Air Expeditionary Group (AEG) led Air Force doctors, nurses, medics and general purpose staff augmenting the civilian work force in hospitals along the west coast of California to reduce the patient ...

  8. Enlisted Performance Report - Wikipedia

    en.wikipedia.org/wiki/Enlisted_Performance_Report

    An Enlisted Performance Report (EPR) is an evaluation form used by the United States Air Force. Instructions for constructing an EPR appear in chapter 3 of Air Force Instruction 36-2406: Officer and Enlisted Evaluation Systems. The EPR replaced the Airman Performance Report (APR) in the late 1980s. The EPR was replaced by the Enlisted ...

  9. Air Force Personnel Operations Agency - Wikipedia

    en.wikipedia.org/wiki/Air_Force_Personnel...

    It works with Air Force manpower, Personnel and Services (A1), the Air Force Personnel Center, the Air Reserve Personnel Center and other human resources customers to capture information technology systems requirements in support of the A1 enterprise. AFPOA documents those requirements to deliver streamlined and improved personnel services to ...