H-II Transfer Vehicle
In August 2015, the Nanoracks External Payload Platform (NREP) was successfully launched to the ISS on the fifth flight of the Japanese H-II Transfer Vehicle (HTV). The external platform will be able to accommodate up to nine 4U CubeSat-size payloads outside of the space station with a standard mission duration of 15 weeks. The platform is operational as of August 2016.