![](http://www.alamy.com/thumbs/6/B03E29CC-AB2E-4996-BBD2-39D51EB4FEAB/2GKEYMR.jpg)
Marines, Gunnery Sgt. Mariano Bucaoto, left, a helicopter airframe mechanic, with Marine Light Attack Helicopter Squadron 169, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, and Sgt. Joshua Howard, right, a flight line mechanic with Marine Light Attack Helicopter Squadron 269, Marine Aircraft Group 29, 2nd Marine Aircraft Wing, replaces a PC1 hydraulic system on an AH-1Z Viper assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1), in support of Weapons and Tactics Instructor (WTI) course 2-21, at Landing Zone Star, in Chocolate Mountain Aerial Range, Calif., April
Marines, Gunnery Sgt. Mariano Bucaoto, left, a helicopter airframe mechanic, with Marine Light Attack Helicopter Squadron 169, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, and Sgt. Joshua Howard, right, a flight line mechanic with Marine Light Attack Helicopter Squadron 269, Marine Aircraft Group 29, 2nd Marine Aircraft Wing, replaces a PC1 hydraulic system on an AH-1Z Viper assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1), in support of Weapons and Tactics Instructor (WTI) course 2-21, at Landing Zone Star, in Chocolate Mountain Aerial Range, Calif., April 4, 2021. WTI is a seven-week training event hosted by MAWTS-1, providing standardized advanced 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.
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Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
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Keywords: 2-21, 2nd, 3rd, ah-1z, aviation, hmla-169, maintenance, marine, maw, mawts-1, wti