57th Operations Group Change of Command Ceremony

U.S. Air Force Brig. Gen. Lawerance Sullivan, left, 57th Wing commander, passes the unit guidon to Col. Stephen Redmond, incoming 57th Operations Group commander, during a change of command ceremony at Nellis Air Force Base, Nevada, June 5, 2026. Redmond will oversee Airmen who develop combat-ready airpower for joint and coalition forces through integrated training and exercises. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

U.S. Air Force Brig. Gen. Lawrence Sullivan, 57th Wing commander, provides opening remarks during the 57th Operations Group change of command ceremony at Nellis Air Force Base, Nevada, June 5, 2026. The 57th OG trains and develops aircrews and maintainers while advancing the integration of airpower into joint operations. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

U.S. Air Force Col. John G.J. DeLion, outgoing 57th Operations Group commander, delivers a speech during the 57th OG change of command ceremony at Nellis Air Force Base, Nevada, June 5, 2026. The 57th OG trains and develops aircrews and maintainers while advancing the integration of airpower into joint operations. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

U.S. Air Force Senior Airman Gerald Huckie, 57th Aircraft Maintenance Squadron dedicated crew chief, reveals the name of Col. Stephen Redmond, incoming 57th Operations Group commander, during a change of command ceremony at Nellis Air Force Base, Nevada, June 5, 2026. Redmond will oversee the operations of ten squadrons and five geographically separated units comprising approximately 780 total force personnel. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

U.S. Air Force Col. Stephen Redmond, the 57th Operations Group commander, gives a speech after assuming command at Nellis Air Force Base, Nevada, June 13, 2024. Redmond will oversee the operations of ten squadrons and five geographically separated units comprising approximately 780 total force personnel. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

U.S. Air Force Brig. Gen. Lawerance Sullivan, left, 57th Wing commander, accepts the unit guidon from Col. John G.J. DeLion, outgoing 57th Operations Group commander, during a change of command ceremony at Nellis Air Force Base, Nevada, June 5, 2026. The 57th OG trains and develops aircrews and maintainers while advancing the integration of airpower into joint operations. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

U.S. Air Force Brig. Gen. Lawerance Sullivan, left, 57th Wing commander, presents Col. John G.J. DeLion, outgoing 57th Operations Group commander, with the Legion of Merit during a change of command ceremony at Nellis Air Force Base, Nevada, June 5, 2026. During his time as the 57th OG commander, DeLion directed 25 major exercises, modernized advanced threat replication, and integrated realistic attack simulations and emissions control evaluations that transformed joint force high-end combat readiness. (U.S. Air Force photo by Airman 1st Class Heather Amador)

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57th Operations Group Change of Command Ceremony

Published June 5, 2026
By Airman 1st Class Heather Amador Paulino
Nellis Air Force Base Public Affairs

NELLIS AIR FORCE BASE, Nev. --

U.S. Air Force Col. Stephen Redmond assumes command of the 57th Operations Group at Nellis Air Force Base, Nevada, June 13, 2024. Redmond will oversee the operations of ten squadrons and five geographically separated units comprising approximately 780 total force personnel.