149th Medical Group Gunfighters 'All In' for Nevada exercise Published Aug. 2, 2019 By Staff Sgt. Agustin G. Salazar) 149th Fighter Wing Public Affairs JOINT BASE SAN ANTONIO-LACKLAND, Texas -- The 149th Medical Group Gunfighters from the 149th Fighter Wing at Joint Base San Antonio-Lackland learned some new skills during Exercise "All In" at Coast Guard Station Lake Tahoe, Nevada, July 18.