Hand Signals A soldier uses hand signals to halt a driver backing up an antenna mast group vehicle, part of a Patriot missile system, during a certification training exercise at Kadena Air Base in Japan, Oct. 17, 2017. Army photo by Capt. Adan Cazarez SHARE: Download: Full Size (1.46 MB) Tags: pacific command, soldiers, army, training, pacom Credit: Capt. Adan Cazarez VIRIN: 171017-A-IA862-006A.JPG Photo Gallery