U.S. Marine Corps AH-1Z Viper helicopters assigned to Marine Light Attack Helicopter Squadron (HMLA) 469, 1st Marine Aircraft Wing, conduct a live-fire training event off the coast of Okinawa, Japan, Sept. 29, 2020. HMLA-469 conducted the live fire exercise using the Air Intercept Missile-9 Sidewinder to maintain proficiency with the weapon system. (U.S. Marine Corps video by Lance Cpl. Dalton J. Payne)