EL CENTRO, Calif. (March 25, 2021) Lt. Nicholas Blonien, flight surgeon, Naval Air Facility (NAF) El Centro provides medical screening to Sailors onboard NAF El Centro during the second dose of COVID-19 vaccinations March 25, 2021. NAF El Centro supports combat training and readiness of the warfighter. This includes air operations support to operational fleet and training squadrons as well as squadrons from other services (Marine Corps, Army, Air Force) and international military partners. (U.S. Navy photo by Mass Communication Specialist 3rd Class Drew Verbis/Released)