FORWARD OPERATING BASE ARIAN, Afghanistan — Two paratroopers were killed Sunday when their vehicle was hit by an improvised explosive device in southern Ghazni province.

1st Lt. Jonathan Walsh and Pfc. Michael Metcalf, both serving with the 1st Brigade Combat Team, 82nd Airborne Division, were killed by the blast.

Walsh, an infantry platoon leader with 2nd Battalion, 504th Parachute Infantry Regiment, died at the scene.

Metcalf was an infantryman serving in Walsh’s platoon. He died of his injuries after being medically evacuated by helicopter to another forward operating base, according to 2nd Lt. William Whelan, a spokesperson for the unit.

Walsh, 28, from Kennesaw, Ga., graduated from Kennesaw State University and worked in the financial services industry before joining the Army in March 2010. He was assigned to the 82nd Airborne Division in August 2011.

Metcalf, a single Soldier from Boynton Beach, Fla., enlisted in March 2011 and was also assigned to the 82nd in August 2011. He was 22.

Walsh is survived by his wife Debbra and son, Austin, both of Raeford, N.C.; and his parents, Paul and Carolyn Walsh of Kennesaw, Ga.

Metcalf is survived by his parents, Ceejay and Kim Metcalf of Boynton Beach, Fla.

Later this week, a memorial service is scheduled on Forward Operating Base Arian where the paratroopers served.