Mortar Emplacement Army Spc. Kevin DeVries digs a hole to set the base plate for a 120 mm mortar system during exercise Real Thaw in Santa Margarida, Portugal, March 10, 2017. DeVries is a mortar gunner assigned to the 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade. Real Thaw is a Portuguese-led, joint- and combined-force exercise, designed to develop and foster international cooperation in air and land tactical training. Army photo by Staff Sgt. Philip Steiner SHARE: Download: Full Size (1.63 MB) Tags: soldiers, army, training Credit: Staff Sgt. Philip Steiner VIRIN: 160310-A-XK954-003A.JPG Photo Gallery