Snugglebunny Comes Home. An Air Base In Japan -- Snugglebunny, famous B-29 Superfort of the Japan-based 98th Bombardment Wing, is coming home. After sixty-five missions in World War II, the big Far East Air Forces B-29 flew an additional seventy-five combat missions over Communist held North Korea, and now returns to the United States for depot overhaul. Her last airplane commander, Capt. Richard Oster of Bakersfield, Calif., says, "The old gel has 140 missions, a MIG fighter to her credit and a