COMPASS COLLABORATION U.S. Army Pvt. Juston Grubbs and Sgt. Thomas Tallman review maps and compasses to prepare for a fire exercise at Dillingham Airfield, Hawaii, April 23, 2008. The soldiers area assigned to the 2nd Squadron, 6th Cavalry Regiment, 25th Combat Aviation Brigade. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 961143-D-NST91-920.jpg Photo Gallery