190929-N-RF885-022 CORONADO, Calif. (Sept. 29, 2019) Sailors attached to various commands managed by Naval Operational Support Center, North Island perform stretch exercises in preparation for their Physical Fitness Assessment (PFA) conducted on Naval Air Station North Island, Coronado, Calif., on Sept. 29, 2019. The PFA is performed biannually by all Sailors to determine their level of physical fitness and compliance with the Navy fitness standards. (U.S. Navy photo by Mass Communication Specialist 2nd Class Natalia Murillo/Released)