200406-N-MJ716-0038 SAN DIEGO (April 6, 2020) A Sailor wears a face covering while making a purchase at the Navy Exchange Fleet Store at Naval Base San Diego. Military installations are operating under an increase in force health protection conditions and the U.S. Navy released administrative message 100/20 April 5th, directing commanders to adhere to Center for Disease Control and Prevention face covering guidelines in an effort to minimize the spread of COVID-19. (U.S. Navy photo by Mass Communication Specialist 2nd Class Austin Haist/Released)