CRS SpX-4

SpaceX CRS-4, also known as SpX-4, was a Commercial Resupply Service mission to the International Space Station contracted to NASA. Dragon was berthed for 32 days before successfully returning to earth. 2,216kg of cargo were brought to the station, 1,627kg of pressurized cargo in the capsule and 589kg of unpressurized cargo in the trunk. 20 mice were also brought to the station to study the effects of microgravity on animals. This mission was flown by Dragon C106-1.