Forward Operating Base Warrior Mayor Master Sgt. Kevin Robinson, the chemical, biological, radiological and nuclear non-commissioned officer in charge for Regimental Headquarters and Headquarters Troop, 3rd Armored Cavalry Regiment, talks with three of his white cell Soldiers, May 17, during 3rd ACR's four-week rotation at the National Training Center at Fort Irwin, Calif. The Soldiers are (left to right), Pvt. Brian Crum, a San Antonio native serving with HHT, 2nd Squadron, 3rd ACR; Pfc. Justin Grangruth, a Mora, Minn., native serving with L Troop, 3rd Squadron, 3rd ACR; and Pvt. Austin Sampson, a Bliss, N.Y., native serving with HHT 3rd Squadron, 3rd ACR.