Commander, Amphibious Force Seventh Fleet, Rear Adm. Rich Landolt, has assumed the duties as the senior naval officer in charge of U.S. Navy assistance to the Republic of Korea (ROK) in their salvage efforts for the ROKS Cheonan Apr. Landolt has been on-site for several days to assess the situation and acclimate his staff to the mission. Additionally, he has met with the ROK lead for the salvage efforts, Vice Adm. Kim Sung-Chan, and his staff aboard ROKS Dokdo several times to coordinate future plans. His ship, USS Harpers Ferry (LSD 49), will serve as the U.S. Afloat Staging Base for this operation and he has brought with him portions of his staff and portions of Amphibious Squadron 11, commanded by Commodore Mark Weber. Landolt will command of all U.S.