U.S. Marine Corps Chief Warrant Officer 3 Timothy Killebrew, a airfield emergency services officer assigned to Marine Wing Headquarter Squadron One, 1st Marine Aircraft Wing, and Capt. Shane Vickers, the commanding officer of Marine Wing Support Detachment 24, measures the soil subsurface with a dynamic cone penetrometer while attending the Weapons and Tactics Instructor (WTI) Course at Marine Corps Air Station Yuma, March 31, 2015. WTI is a seven week training event hosted by Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) cadre. MAWTS-1 provides standardized tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photo by Lance Cpl. Travis Jordan, 3rd MAW Combat Camera/ Released)
<br>Unit: 3D Marine Aircraft Wing Combat Camera
Lance Cpl. Travis Jordan
Taken on 31 March 2015
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