Capt. Derrick, 46th Expeditionary Attack Squadron pilot, and Staff Sgt. Marcus, 46th EATKS MQ-9 sensor operator, check aircraft system operations during preflight of an MQ-9 Reaper at an undisclosed location in Southwest Asia, Feb. 21, 2019. MQ-9 aircrew have the ability to swap out mid-flight after their shift to ensure seamless mission continuation. (U.S. Air Force photo by Staff Sgt. Arielle Vasquez)