U.S. Air Force Lt. Col. Joseph Tortella (center), 902nd Civil Engineers Squadron commander, briefs Secretary of the Air Force Barbara M. Barrett, Chief of Staff of the Air Force Gen. Charles Q. Brown Jr., and Chief Master Sgt. of the Air Force JoAnne S. Bass about operations at Gateway Villa during a tour Aug. 21, 2020, at Joint Base San Antonio-Lackland, Texas.