U.S. Marines with Marine Wing Support Squadron 371, Marine Wing Support Group 37, 3rd Marine Aircraft Wing and Marine Fighter Attack Squadron 122, Marine Aircraft Group 13, 3rd MAW, work together to refuel an F-35B Lighting II during a forward area refueling point operation at Marine Corps Air Station Yuma, Feb. 4. - U.S. Marines with Marine Wing Support Squadron 371, Marine Wing Support Group 37, 3rd Marine Aircraft Wing and Marine Fighter Attack Squadron 122, Marine Aircraft Group 13, 3rd MAW, work together to refuel an F-35B Lighting II during a forward area refueling point operation at Marine Corps Air Station Yuma, Feb. 4.

The Commanding Officer of Marine Fighter Attack Squadron 122, Lt. Col. John P. Price, conducts a pre-flight check of aircraft in preperation of VMFA-122's first flight operations in an F-35B Lightning II on Marine Corps Air Station Yuma, Ariz., March 29, 2018. VMFA-122 is conducting the flight operations for the first time as an F-35 squadron. - The Commanding Officer of Marine Fighter Attack Squadron 122, Lt. Col. John P. Price, conducts a pre-flight check of aircraft in preperation of VMFA-122's first flight operations in an F-35B Lightning II on Marine Corps Air Station Yuma, Ariz., March 29, 2018. VMFA-122 is conducting the flight operations for the first time as an F-35 squadron.

Ordnance Marines move toward an AH-1Z Viper as it lands during operations that are a part of Assault Support Training 1 in support of the semiannual Weapons and Tactics Instructor Course 2-17, at the Chocolate Mountain Aerial Gunnery Range, California, April 17. Lasting seven weeks, WTI is a training evolution hosted by MAWTS-1 which provides standardized advanced and tactical training and certification of unit instructor qualifications to support Marine aviation training and readiness. - Ordnance Marines move toward an AH-1Z Viper as it lands during operations that are a part of Assault Support Training 1 in support of the semiannual Weapons and Tactics Instructor Course 2-17, at the Chocolate Mountain Aerial Gunnery Range, California, April 17. Lasting seven weeks, WTI is a training evolution hosted by MAWTS-1 which provides standardized advanced and tactical training and certification of unit instructor qualifications to support Marine aviation training and readiness.

Karen Delich, a health specialist from Colorado Springs addresses students attending Weapons and Tactics Instructor Course 2-17 and Marine Aviation Weapons and Tactics Squadron One staff during a tactical risk management period of instruction at Marine Corps Air Station Yuma, Ariz., March 15, 2017. WTI is a seven week event hosted by MAWTS-1. 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. - Karen Delich, a health specialist from Colorado Springs addresses students attending Weapons and Tactics Instructor Course 2-17 and Marine Aviation Weapons and Tactics Squadron One staff during a tactical risk management period of instruction at Marine Corps Air Station Yuma, Ariz., March 15, 2017. WTI is a seven week event hosted by MAWTS-1. 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. Marines with Marine Fighter Attack Squadron 121, 3rd Marine Aircraft Wing, conduct the first ever hot load on the F-35B Lightning II in support of Weapons and Tactics Instructor Course 1-17 at Marine Corps Air Station Yuma, Ariz., Sept. 22, 2016. The exercise is part of WTI 1-17, a seven-week training event hosted by Marine Aviation Weapons and Tactics Squadron One 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. Marines with Marine Fighter Attack Squadron 121, 3rd Marine Aircraft Wing, conduct the first ever hot load on the F-35B Lightning II in support of Weapons and Tactics Instructor Course 1-17 at Marine Corps Air Station Yuma, Ariz., Sept. 22, 2016. The exercise is part of WTI 1-17, a seven-week training event hosted by Marine Aviation Weapons and Tactics Squadron One 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.

Marines with Marine Wing Support Squadron 371, based out of Marine Corps Air Station Yuma, perform shooting drills with their M16A4 service rifles during a squadron field exercise at the U.S. Army Yuma Proving Ground training facility in Yuma, Ariz., Wednesday, March 9, 2016. The evolution focuses on the basic fundamentals of deployment in an austere environment and a re-familiarization with weapons proficiency. - Marines with Marine Wing Support Squadron 371, based out of Marine Corps Air Station Yuma, perform shooting drills with their M16A4 service rifles during a squadron field exercise at the U.S. Army Yuma Proving Ground training facility in Yuma, Ariz., Wednesday, March 9, 2016. The evolution focuses on the basic fundamentals of deployment in an austere environment and a re-familiarization with weapons proficiency.

An F-5N Tiger II taxis after landing at Marine Corps Air Station Beaufort, S.C. in Dec. 3, 2015 to support Marine Fighter Attack Training Squadron 501 in air-to-air training from Dec. 2-Dec. 11. Marine Fighter Training Squadron 401 brought five F-5N Tiger II aircraft to support red air for VMFAT-501. Red air is the adversary forces for air-to-air training. - An F-5N Tiger II taxis after landing at Marine Corps Air Station Beaufort, S.C. in Dec. 3, 2015 to support Marine Fighter Attack Training Squadron 501 in air-to-air training from Dec. 2-Dec. 11. Marine Fighter Training Squadron 401 brought five F-5N Tiger II aircraft to support red air for VMFAT-501. Red air is the adversary forces for air-to-air training.

F/A-18C Hornets return to Marine Corps Air Station Beaufort , South Carolina, Oct. 26, 2015. Marine Fighter Attack Squadron 115 and Marine All-Weather Fighter Attack Squadron 533 returned from Weapons and Tactics Instructor course aboard Marine Corps Air Station Yuma, Arizona. The Hornets are with Marine Fighter Attack Squadron 115, Marine Aircraft Group 31. - F/A-18C Hornets return to Marine Corps Air Station Beaufort , South Carolina, Oct. 26, 2015. Marine Fighter Attack Squadron 115 and Marine All-Weather Fighter Attack Squadron 533 returned from Weapons and Tactics Instructor course aboard Marine Corps Air Station Yuma, Arizona. The Hornets are with Marine Fighter Attack Squadron 115, Marine Aircraft Group 31.

A Marine with Fox Company, 2nd Battalion, 7th Marine Regiment tests out the instant messaging function on a tablet device at Marine Corps Air Station Yuma, Arizona, Oct. 14, 2015. The tablets are wirelessly connected through an encrypted internal Wi-Fi network allowing Marines to coordinate and maneuver more efficiently in a tactical environment while securely using various applications on the devices. - A Marine with Fox Company, 2nd Battalion, 7th Marine Regiment tests out the instant messaging function on a tablet device at Marine Corps Air Station Yuma, Arizona, Oct. 14, 2015. The tablets are wirelessly connected through an encrypted internal Wi-Fi network allowing Marines to coordinate and maneuver more efficiently in a tactical environment while securely using various applications on the devices.

As part of the annual training exercise Scorpion Fire, Lance Cpl. Clinton Lehner, a crew chief with Marine Light Helicopter Squadron (HMLA) 369 “Gunfighters,” looks down range during close-air support maneuvers at the Chocolate Mountain Aerial Gunnery Range, Calif., Jan. 29. Marines with both tiltrotor and fixed-wing squadrons participate in this annual exercise, which provides a realistic environment for ground units in need of close air support. - As part of the annual training exercise Scorpion Fire, Lance Cpl. Clinton Lehner, a crew chief with Marine Light Helicopter Squadron (HMLA) 369 “Gunfighters,” looks down range during close-air support maneuvers at the Chocolate Mountain Aerial Gunnery Range, Calif., Jan. 29. Marines with both tiltrotor and fixed-wing squadrons participate in this annual exercise, which provides a realistic environment for ground units in need of close air support.