F-15SG drops GBU-31 for first time Posted on May 12, 2017 by alert5 Republic of Singapore Air Force F-15SGs deployed to Hill Air Force Base for Combat Hammer have dropped the GBU-31 for the first time. U.S. Air Force photo by Senior Airman Jeremy L. Mosier/Released Related posts (Automatically Generated): Six F-35As arrived at Mountain Home AFB for simulated deployment test F-22 had an emergency after landing at Hill AFB F-16s from Hill AFB deploy to Europe for last time Initial investigation reveals fire in F-35A tailpipe at Mountain Home AFB Taiwan welcomes the sale of F-35s This airman has launch all USAF combat-coded bombers