 The bolt/nut structural latch and 4-bar capture latches remained, although the bolt diameter had increased to .Both the bolts and the capture latches were motorized with manual backup being available, although the individual mechanisms were still driven by way of sealed couplings that passed through the bulkhead.The term “active” had evolved to mean the co-location of all powered devices on the side of the interface already present on orbit when the mating operation took place.