91st TD partners with 4th Cav. at training exercise
Sgt. Nickolas Arbiso (far right), an observer coach/trainer with 3rd Battalion, 363rd Regiment, 91st Training Division, 84th Training Command, out of Los Alamitos, Calif. observes how Headquarters and Headquarters Company, 315th Engineer Battalion Soldiers react to a chemical, biological, radiological or nuclear attack during Combat Support Training Exercise 91-19-01, May 15, at Fort Hunter Liggett, Calif. The formal AAR lets leaders know what they did well, what to sustain and where their unit can improve. (U.S. Army photo by Staff Sgt. Kevin Spence/4th Cavalry Multi-Functional Training Brigade)