Sailor Christopher Pond of Lebanon, Pa., is greeted by his mother, Dianna Pond, left, and grandmother, Emma Phillips, at T.F. Green Airport in Warwick, R.I., Monday. Pond was one of 140 crew members on the USS Samuel B. Roberts, which hit the shore for a monthlong vacation for the first time since the Navy frigate hit a mine in the Persian Gulf in April. The sailors were greeted by more than 350 whooping wives, girlfriends and other relatives. On April 14, while on escort duty in the gulf, the guided-missile vessel hit a mine that tore a hole in its bottom, flooded its engine room and set a fire. The blast injured 10 crew members, but all have recovered