MSS (Mission Support Site) Grizzly, a desert strip runway established by Delta Force located between Haditha and Tikrit; C Squadron, Delta Force was flown directly to MSS Grizzly. On 1 April, C squadron, Delta Force and 3rd Battalion, 75th Ranger Regiment conducted a night-time ground assault into the target on foot and in armored vehicles against the Haditha Dam complex. Three Ranger platoons seized the dam's administrative buildings with after initially heavy opposition, while a pair of AH-6 little birds orbited overhead providing close air support to the Rangers. However, it took the Rangers many hours to clear the dam complex due to its huge size and the hundreds of rooms it contained. Soon after daybreak, the Rangers from the 3rd Company on the western side of the dam started taking RPG fire where Staff Sergeant Ronnie Jones, a Ranger sniper killed three Iraqi soldiers equipped with RPGs. One of the Ranger's rounds went through an Iraqi soldier and into a nearby propane tank, which exploded and killed the other two members of the RPG team. Meanwhile, Rangers on the eastern side engaged a truck carrying fourteen Iraqi soldiers leading to a firefight that the Rangers won, killing at least five Iraqis. When it was over, Duncan and battalion command sergeant major Alfred Birch rescued three of the wounded Iraqis who had fallen down a steep hill while under fire. For their actions against the enemy, they both received the Silver Star. South of the dam, a Ranger platoon secured the dam's power station and electricity transformer against sabotage. Elsewhere, another Ranger platoon established road blocks on the main road leading into the dam complex to prevent the Iraqis from recapturing that area of the dam. The road blocks came under sporadic mortar and rocket fire, resulting in the AH-6 helicopters flying multiple gun runs to silence the Iraqi mortar and rocket positions. Another mortar team, firing from a small island, was engaged and silenced by a Ranger Javelin team. The Ranger 3rd Company endured a withering barrage of Iraqi small-arms fire from a pair of buildings, which continued over the next three days, until the Rangers were forced to call in twenty airstrikes on the structures. All day on 1 April, groups of fifty to one-hundred Iraqi soldiers engaged in "human wave" style attacks on 3rd Company, only to be destroyed by the two Ranger 120 mm mortars and