Capt. Johnathan Singleton, commander, Headquarter and

Capt. Johnathan Singleton, commander, Headquarter and Headquarters Troop, 1st Squadron, 89th Cavalry Regiment, 2nd Brigade Combat Team, 10th Mountain Division (LI), climbs the ice wall at Camp Ethan Allen Training Site in Jericho, Vt., Feb. 19, 2021. Singleton and a team of Soldiers from his unit placed first during the D-Series Competition on Fort Drum, N.Y., and earned the opportunity to learn mountain warfare tactics to include ice wall climbing, casualty evacuation through rough terrain and avalanche awareness training. (U.S. Army photo by Sgt. Elizabeth Rundell, 27th Public Affairs Detachment)