Soldiers from Company B, 1st Battalion, 111th Infantry, 56th Stryker Brigade Combat Team, Pennsylvania National Guard, pay their respects to Staff Sgt. Mark Baum following a memorial service, Feb. 26, at Joint Security Station Mushada, approximately 30 miles north of Baghdad. Baum died Feb. 21 after being wounded in a combat action that day. He was the 33rd Pennsylvania National Guard Soldier to die in Iraq or Afghanistan since 9/11.