An Air Force B-52 bomber carrying six crew members and en route to conduct a flyover in a parade crashed off the island of Guam, officials said. At least two people were recovered from the waters, but their condition was not immediately available, the Coast Guard said. Rescue crews from the Navy, Coast Guard and local fire department launched a massive aerial and ocean search for the others in and around a vast area of floating debris and a sheen of oil. The crashed occurred at 9:45 a.m. Monday about 48 kilometers northwest of Apra Harbor, the Air Force said. The accident is the second for the Air Force this year on Guam, a US territory about 6,000 kilometers southwest of Hawaii.