Col. Thomas Grant assumes command of 99 MSG

U.S. Air Force Col. Thomas Grant, right, incoming 99th Mission Support Group commander, accepts the guidon from Col. Jason Glynn, 99th Air Base Wing commander, during a change of command ceremony at Nellis Air Force Base, Nevada, July 1, 2026. As the commander of the 99th MSG, Grant will be responsible for overseeing mission support for five wings, and 52 tenant units. (U.S. Air Force photo by Airman Annika Schermerhorn)

Photo Details / Download Hi-Res
Col. Thomas Grant assumes command of 99 MSG

U.S. Air Force Col. Thomas Grant, 99th Mission Support Group commander, gives a speech after assuming command at Nellis Air Force Base, Nevada, July 1, 2026. The 99th MSG is responsible for supporting operations for the base and the Nevada Test and Training Range. (U.S. Air Force photo by Airman Annika Schermerhorn)

Photo Details / Download Hi-Res
Col. Thomas Grant assumes command of 99 MSG

U.S. Air Force Col. Thomas Grant, right, incoming 99th Mission Support Group commander, renders a salute to Col. Jason Glynn, 99th Air Base Wing commander, in front of Chief Master Sgt. Scott Castrovinci, 99th MSG senior enlisted leader, during a change of command ceremony at Nellis Air Force Base, Nevada, July 1, 2026. The 99th MSG provides civil engineer, communications, contracting, logistics readiness, security, personnel, and services support for the base and the Nevada Test and Training Range. (U.S. Air Force photo by Airman Annika Schermerhorn)

Photo Details / Download Hi-Res
Col. Thomas Grant assumes command of 99 MSG

U.S. Air Force Col. Jason Glynn, left, 99th Air Base Wing commander, accepts the guidon from Col. Harley Thompson, outgoing 99th Mission Support Group commander, in front of Chief Master Sgt. Scott Castrovinci, 99th MSG senior enlisted leader, during a change of command ceremony at Nellis Air Force Base, Nevada, July 1, 2026. The 99th MSG provides civil engineer, communications, contracting, logistics readiness, security, personnel, and services support for the base and the Nevada Test and Training Range. (U.S. Air Force photo by Airman Annika Schermerhorn)

Photo Details / Download Hi-Res
Col. Thomas Grant assumes command of 99 MSG

U.S. Air Force Col. Harley Thompson, outgoing 99th Mission Support Group commander, gives a speech during a change of command ceremony at Nellis Air Force Base, Nevada, July 1, 2026. The 99th MSG is responsible for providing base-wide operational support for the base. (U.S. Air Force photo by Airman Annika Schermerhorn)

Photo Details / Download Hi-Res
Col. Thomas Grant assumes command of 99 MSG

U.S. Air Force Col. Jason Glynn, 99th Air Base Wing commander, delivers a speech during the 99th Mission Support Group change of command ceremony at Nellis Air Force Base, Nevada, July 1, 2026. The 99th MSG provides civil engineer, communications, contracting, logistics readiness, security, personnel, and services support for the base and the Nevada Test and Training Range. (U.S. Air Force photo by Airman Annika Schermerhorn)

Photo Details / Download Hi-Res

Col. Grant assumes command of 99 MSG

Published July 13, 2026

NELLIS AIR FORCE BASE, Nev. --

U.S. Air Force Col. Thomas Grant, 99th Mission Support Group commander, assumes command of the 99th MSG at Nellis Air Force Base, Nevada, July 1, 2026. The 99th MSG is responsible for supporting operations for the base and the Nevada Test and Training Range.

Col. Thomas Grant assumes command of 99 MSG

Col. Thomas Grant assumes command of 99 MSG

Col. Thomas Grant assumes command of 99 MSG

Col. Thomas Grant assumes command of 99 MSG

Col. Thomas Grant assumes command of 99 MSG

Col. Thomas Grant assumes command of 99 MSG

Col. Grant assumes command of 99 MSG

Videos

USAFWC & NELLIS TOP STORIES