DeBellevue was on leave when Ritchie scored his kill on May 31, 1972.
Story is that Ritchie begged him not to go on leave, as he sensed a kill
coming. If I remember right, after Ritchie got his fifth kill, he was
taken off flight status. DeBellevue kept flying and got two more with
John Madden on September 9, 1972.

Of Jeff Feinstein's five kills, he flew with four different pilots...