U.S. Marines with Marine Heavy Helicopter Squadron (HMH) 461 perform preflight checks as part of Weapons and Tactics Instructor (WTI) course 1-24 at Marine Corps Air Station Yuma, Arizona, Oct. 12, 2023. The WTI course is an advanced, graduate-level, seven-week course hosted by Marine Aviation Weapons and Tactics Squadron (MAWTS) 1, which provides standardized advanced … Continue reading CH-53K King Stallions at WTI-1-24