 While on patrol 20 kilometers northeast of " Rock Island East " on 23 May , a point man nicknamed Shakey ( Chris <unk> ) from the 5th Battalion , 7th Cavalry , <unk> over a metal plate buried just below the surface of the ground . The <unk> was later killed by PAVN defenders , but the <unk> he had uncovered was the first of 59 buried storage bunkers at the site of what was thereafter known as " Shakey 's Hill " . The bunkers contained thousands of cases of weapons and ammunition , all of which were turned over to the Cambodian army . Much of the captured enemy material was turned over to the MACV Special Support Group for Cambodia where it was maintained and then issued to Lon Nol 's Forces . This group was commanded by Lieutenant Colonel Will H. Horn . 
