Rock Shock Blast Army paratroopers fire an M224 60 mm mortar system at Grafenwoehr Training Area, Germany, Aug. 14, 2019, during Rock Shock Two, a battalion-level combined arms live-fire exercise. SHARE IMAGE: Download Image: Full Size (1.71 MB) Tags: army Photo By: Army Sgt. Henry Villarama VIRIN: 190814-A-AR102-849C.JPG Photo Gallery