Troy Morris (center), project manager, briefs Col. Kirk Gibbs, commander of the U.S. Army Corps of Engineers Los Angeles District, at Davis-Monthan Air Force Base, Arizona, Dec. 7. Morris guided Gibbs and Shari Brandt, resident engineer for the Tucson Resident Office, through the newly completed 309th Aerospace Maintenance and Regeneration Group hangar, a 76,746-square-foot facility that features a two-story administration section housing a technical order library, records storage, tool cribs, equipment storage and an observation deck overlooking the hangar floor.