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The Physical Fitness Assessment consists of a Body Composition Assessment (BCA) and a Physical Readiness Test (PRT), which includes a timed cardio event consisting of 1.5-mile (2.4 km) run/treadmill or a 500 yd (460 m) swim (or an alternate cardio consisting of 12-minutes on a stationary bike), timed curl-ups, and timed sit-ups. [1]
As part of the Fit to Fight program, the Air Force adopted a more stringent physical fitness assessment in 2004 and replaced the annual ergo-cycle (stationary bike) test that the Air Force had used for several years. [1] [2] Results are stored in the Air Force Fitness Management System (AFFMS) and accessible via the AF Portal. [3]
The Harvard Mark II, also known as the Aiken Relay Calculator, [1] [2] [3] was an electromechanical computer built under the direction of Howard Aiken at Harvard University, completed in 1947. It was financed by the United States Navy and used for ballistic calculations at Naval Proving Ground Dahlgren .
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The Combat Fitness Test (CFT) is an annual physical fitness test of the United States Marine Corps. The purpose of the CFT is to assess a Marine's physical capacity in a broad spectrum of combat related tasks. The CFT was specifically designed to evaluate strength, stamina, agility, and coordination as well as overall anaerobic capacity.
The United States Marine Corps requires that all Marines perform a Physical Fitness Test (PFT) and a Combat Fitness Test (CFT) once each calendar year. The PFT is conducted between January 1 and June 30, [1] and the CFT is conducted between July 1 and December 31. [2] The same standards apply for reservists.
The Naval Ordnance Research Calculator (NORC), was built at the Watson Scientific Computing Laboratory under the direction of Wallace Eckert. [3] The computer was presented to the US Navy on December 2, 1954. At the presentation ceremony, it calculated pi to 3,089 digits, which was a record at the time. The calculation took only 13 minutes.
The Mark III was finished in September 1949 and delivered to the U.S. Naval Proving Ground at the U.S. Navy base at Dahlgren, Virginia in March 1950. [5] Rebuilding the computer in its new location took the remainder of the year. [6] [7] It became operational in 1951, and was being operated 24 hours a day, 6 days a week by October. [8]