Player Embed Code: Download Embed Share Combined Resolve XI - Seize Key Terrain DC National Guard Dec. 3, 2018 | 0:34 U.S. and Lithuanian Soldiers fuel convoy vehicles during Combined Resolve XI, Dec. 3, 2018, in Hohenfels, Germany. Combined Resolve XI is a biannual exercise that serves as the combat training center certification exercise for regionally allocated forces. The iteration of this exercise takes place in two phases at the Grafenwoehr and Hohenfels training areas between Nov. 26 – Dec. 14, 2018 and Jan. 13 – 25, 2019. (U.S. Army photo by Spc. Richard Trinh)(U.S. Army video by Sgt. Kevin Valentine)