U.S. Air Force Capt. Mercedes Derby, 9th Special Operations Squadron MC-130J Commando II pilot, stretches before participating in a human performance baseline test on Cannon Air Force Base, N.M., Jan. 30, 2020. The human performance baseline test is an Air Force Special Operations Command pilot test to determine the effectiveness of the new human performance program. (U.S. Air Force photo by Senior Airman Candin Muniz)