Dragon II explained

Dragon II, Dragon-2, dragon two, or variation, may refer to:

Space travel

SpaceX Dragon 2, a class of space capsules manufactured by SpaceX
Dragon C2+ (May 2012), the second SpaceX Dragon mission
SpaceX CRS-2 (March 2013; aka SpX-2), the second SpaceX ISS resupply
Crew Dragon Demo-2 (May 2020; aka DM-2), the second Dragon 2 flight and its first crewed flight
SpaceX Crew-2 (April 2021), the second operational SpaceX ISS crew transport