Sgt. Alan White tightens lug nuts. Florida Army National Guardsman Sgt. Alan White, from Field Maintenance Shop 15, tightens lug nuts on a M915 Truck Tractor in West Palm Beach, Fla., in anticipation of recovery operations for tropical storms in southern Florida on Sept. 3, 2008. The trucks can carry ice, water and supplies to storm victims after a natural disaster. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 485293-U-TOM31-265.jpg Photo Gallery