Air Advisors observe a hover check by the Burkina Faso Air Force at Airbase 511 in Burkina Faso, Africa, April 10, 2019. The 818 MSAS sent a seven member Rotary Wing Maintenance and Operations mobile training team to identify the cause of a significant maintenance issue that had grounded the Burkina Faso Air Force’s UH-1H helicopter fleet for nearly a year. (U.S. Air Force photo by Master Sgt. Sarah Colwell)