BAGHDAD - Spc. Ciara Rodriguez (left), a human intelligence collector from Harker Heights, Texas, 1st Sgt. Nate Whitesell (middle), from Mosier, Ore., and Sgt. Kendall Cabrera (right), an infantry team leader from Virginia Beach, Va., test to see if the counter radio-controlled improvised explosive devices electronic warfare system on their humvee is working properly after fixing it during a 40-hour CREW class at Joint Security Station Istaqlal, here, July 29. The Soldiers, assigned to 1st Squadron, 7th Cavalry Regiment, 1st Brigade Combat Team, 1st Cavalry Division, trained on how to troubleshoot a variety of scenarios after intense classroom lectures. "I volunteered for this class," said Rodriguez. "I'm not an infantry person, so if I'm going outside the wire with this system then at least I'd like to know how to work it."