Airmen may soon run two miles rather than 1.5 under new fitness standards, and be tested twice per year, according to an internal memo.

The new fitness test is meant to simulate the taxing physical conditions that Explosive Ordnance Disposal airmen face.

U.S. Air Force Staff Sgt. Theodore Clever measures an airman's abdominal circumference during a physical training test, Dec. 19, 2013. (U.S. Air Force/Senior Airman Franklin R. Ramos) ...