"For much of the episode, Kerry was not in a position to know firsthand what was happening on Thurlow's boat, as Kerry's boat had sped down the river after the mine exploded under another boat. He later returned to provide assistance to the stricken boat.
Two other Swift boat skippers who were direct participants in the March 13, 1969, mine explosion on the Bay Hap, Jack Chenoweth and Richard Pees, have said they do not remember coming under "enemy fire." A fourth commander, Don Droz, who was one of Kerry's closest friends in Vietnam, was killed in action a month later."
citation please? (for form's sake)