Spc. Robert Davis, the battalion commander's driver, and Supply Sgt. Roger Ash, friends of Casey, joined in the construction of the 35-yard range in the abandoned building that the unit occupied at the LSA (near Balad). Skilled carpenters, the foursome set up sandbags and a backstop to contain stray shots; then they rigged lights for night shooting. Occasional mortar attacks against the LSA did not disrupt practice. "The range became a hunters' hangout, and after two months' practice, we were getting good," Mattox says.