191030-N-PH222-0386 PACIFIC OCEAN (Oct. 30, 2019) Naval Aircrewman (Helicopter) 3rd Class Jospeh Rivera, from San Juan, Puerto Rico, assigned to the "Wildcards" of Helicopter Sea Combat Squadron (HSC) 23, participates in a live-fire exercise using a .50 caliber machine gun aboard an MH-60S Sea Hawk helicopter. HSC-23 is stationed at Naval Air Station North Island. (U.S. Navy photo by Mass Communication Specialist 3rd Class Ryan M. Breeden/Released)