Republic of Singapore F-15SG Strike Eagles depart for training from Davis-Monthan Air Force Base. Ten F-15s from the 428th Fighter Squadron at Mountain Home Air Force Base, Idaho, have been training at D-M since July 7 and will be here through Aug. 24. D-M is hosting the unit (which trains F-15 air crews from the Republic of Singapore under a longstanding joint training program ) while Mountain Home's runway is closed for maintenance. Video by David Wichner, Arizona Daily Star.