190407-N-IW950-0070 SAN DIEGO (April 7, 2019) Sailors assigned to Navy Operational Support Center (NOSC) North Island participate in a warm-up before starting the spring 2019 physical readiness test, April 7, 2019, at Naval Air Station North Island. Over 55 Sailors from 11 units attached to NOSC North Island completed their physical readiness test that ended in a 1.5-mile run. (U.S. Navy photo by Mass Communication Specialist 1st Class Shannon Chambers/Released)