Canopy Relative Work, now officially known as Canopy Formations. CRW involves flying open canopies in close formation, where the pilots actually take grips on each other's parachutes.
Abbrev., "Canopy Relative Work". Describes the maneuvering done by jumpers under canopy to fly their parachutes together to form various formations. Sometimes referred to as CReW (Crew). See CFS.