U.S. Army Maj. Laura Fryar and Capt. Rebecca Marshall, 4-2 Attack Reconnaissance Battalion operations officer and assistant operations officer, teach Osan 51st Civil Engineer Squadron firefighters and explosive ordnance disposal personnel about the AH-64 Apache helicopter at Osan Air Base, Republic of Korea, Jan. 24, 2018. During an extraction and familiarity training session, the pilots armed base emergency services personnel with vital knowledge ensuring they can effectively and efficiently manage an emergency related to the AH-64 Apache helicopter. (U.S. Air Force photo by Staff Sgt. Alex Fox Echols III/Released)