U.S. Navy Petty Officer Third Class Eric Hansen, a boatswain’s mate with Marine Corps Air Station Iwakuni’s harbor operation department, pulls in an oil boom at MCAS Iwakuni, Japan, Feb. 25, 2022. Boom reels are preventative equipment used to catch oil that may leak from vessels into the water. MCAS Iwakuni’s deep-water harbor plays an essential part in helping supply units on the air station with necessary equipment and helping support different vessels traveling through the Indo-Pacific region. - U.S. Navy Petty Officer Third Class Eric Hansen, a boatswain’s mate with Marine Corps Air Station Iwakuni’s harbor operation department, pulls in an oil boom at MCAS Iwakuni, Japan, Feb. 25, 2022. Boom reels are preventative equipment used to catch oil that may leak from vessels into the water. MCAS Iwakuni’s deep-water harbor plays an essential part in helping supply units on the air station with necessary equipment and helping support different vessels traveling through the Indo-Pacific region.