Coxswains are also responsible for knowing proper rowing technique and running drills to improve technique. The first glider pilots were curiously named "glider coxswains". The coxswains also provided crews for the Governor's Barge and the naval Officer's boats. In World War II pilots of landing craft were referred to as coxswains. In addition they also serve as RHIB (rigid-hulled inflatable boat) coxswains. Cadman was the longest serving of the coxswains. During its lifetime there were a total of 4 Coxswains 1. During her time she had three coxswains. Coxswains, while underway, operate without regard to rank or seniority. Training is also conducted in Small/Fast Boat Coxswains; Small/Fast Boat operations and long-range surface navigation. During these drills, the barrel blew off her number 5 gun, killing two coxswains.