190228-N-NH199-1037 SAN DIEGO (Feb. 28, 2019) Hospital Corpsman 3rd Class Jose Hernandezsantiago helps Hospital Corpsman 3rd Class Sydney Noriega, both assigned to Naval Medical Center San Diego (NMCSD), don personal protective equipment during a quarterly chemical decontamination (DECON) drill at Marine Corps Recruit Depot Branch Health Clinic. DECON drills prepare Sailors to respond to hazardous materials incidents or chemical contaminations. The drill gives Sailors the opportunity for hands-on practice of DECON setup, procedures and tear down of equipment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Harley K. Sarmiento/Released)