A U.S. Marine Corps AV-8B Harrier taxis on the flightline on Isa Air Base, Bahrain, Dec. 31, 2015. The Harrier is with Marine Attack Squadron 223, Special Purpose Marine Air-Ground Task Force-Crisis Response-Central Command. The unit supports Operation Inherent Resolve by providing airstrikes and close-air support in the U.S. Central Command area of responsibility. U.S. Marine Corps photo by Cpl. Akeel Austin