NAVAL AIR FACILITY EL CENTRO, Calif. (Oct.1, 2020) An MH-60S Sea Hawk helicopter assigned to the "Black Knights" of Helicopter Sea Combat Squadron (HSC) 4, stationed in San Diego, practices terrain flight tactical landings during Helicopter Advanced Readiness Program (HARP) training at Naval Air Facility El Centro, California. HARP is hosted by the Helicopter Sea Combat Weapons School Pacific and is designed to enhance the helicopter sea combat community's combat readiness through robust realistic war fighting training via joint operations in an austere environment. HSC-4 provides vertical lift, search and rescue, logistics, anti-surface warfare, special operations forces support and combat search and rescue capabilities. (U.S. Navy photo by Chief Mass Communication Specialist Shannon Renfroe)