Lance Cpl. Gregory A. Juedes was presented the Purple Heart by Commandant of the Marine Corps Gen. James F. Amos Feb. 10, 2014. Juedes was injured by a rocket-propelled grenade after it struck his mine-resistant ambush protected vehicle during a mounted patrol in Helmand province, Afghanistan. - Lance Cpl. Gregory A. Juedes was presented the Purple Heart by Commandant of the Marine Corps Gen. James F. Amos Feb. 10, 2014. Juedes was injured by a rocket-propelled grenade after it struck his mine-resistant ambush protected vehicle during a mounted patrol in Helmand province, Afghanistan.