Hand Signals Army Pfc. Andrew Skalecki uses hand signals to direct Army Spc. Jose Rodriquez as he operates a truck carrying 2,000 gallons of water during Exercise Ulchi Freedom Guardian 2016 at Yongin, South Korea, Aug 25, 2016. Skalecki and Rodriquez are water treatment specialist assigned to the 339th Quartermaster Company. Army photo by Staff Sgt. Ken Scar SHARE: Download: Full Size (1.9 MB) Tags: Soldiers, Army, training Credit: Staff Sgt. Ken Scar VIRIN: 160825-A-ZU930-020A.JPG Photo Gallery