174 > RADIOLOGICAL CLEANUP OF ENEWETAK ATOLL FIGURE 3-19. ARMY AMPHIBIOUS LIGHTER (LARC). On 13 September 1977, a detachment from Underwater Demolition Team Eleven, commanded by Lieutenant CommanderJ. F. Sandoz, USN, ; arrived to begin channel clearance and underwater demolition work (described in the next chapter). In addition, this team supervised the storage, in an explosives bunker on Medren, of 181 measurementtons of explosives delivered by the Navy ammunition ship, USS HALEAKOS, on 22 September 1977.90.91 On 28 September 1977, a Navy task group consisting of the USS MOUNT VERNON, USS MOBILE, and USS DENVER arrived at Enewetak to deliver 6,617 measurement tons of cargo, including two LARCs. Despite heavy afternoon rains, they were offloaded in 14 hours. The second shallow-draft barge arrived on 2 October 1977 with subsistence, cement, attapulgite, and other supplies.?2 The USS MOLALAarrived on 3 October 1977 and delivered another YC barge.93 On 12 October 1977, the Navy Water-Beach Cleanup Team arrivedat the atoll and set up a base of operations in Building 4 near the other Navy activities. The team consisted of one officer and 15 enlisted personne! from Harbor Clearance Units One and Two; and one officer and three enlisted personnel from Team 2!, Explosive Ordnance Disposal Mobile Unit One. On 21 October 1977, the USS FORT FISHER delivered 3,161! measurementtonsof cargo, including two more Army LARCs. Thelast