Robotic Refueling Mission

The Robotic Refueling Mission was developed by the Satellite Servicing Capabilities Office at the Goddard Space Flight Center (GSFC).

[2] It was planned to demonstrate the technology and tools to refuel satellites in orbit by robotic means.

[2][7][8] The experiment suite included a number of propellant valves, nozzles and seals similar to those used on a wide variety of commercial and U.S. government satellites, plus a series of four prototype tools that could be attached to the distal end of the Dextre robotic arm.

Each tool was a prototype of a device that could be used by future satellite servicing missions to refuel spacecraft in orbit.

[10] The Phase 2 hardware complement consists of:[10] In February 2014 the ground-based 'Remote Robotic Oxidizer Transfer Test' (RROxiTT) transferred nitrogen tetroxide (NTO) via a standard satellite-fueling valve at the satellite fuelling facility, Kennedy Space Center (KSC), using a robot controlled remotely from the Goddard Space Flight Centre, 800 miles (1,300 km) away in Greenbelt, Maryland.

[12] On March 26, 2015, The RRM On-orbit Transfer Cage was loaded into the Kibo airlock and picked up by the JEM Robotic Arm who handed it off to Dextre for installation on the main module.

Video of the Robotic Refueling Mission phase 1, May 2012.
Robotic Refueling Mission (RRM) installed on its Support Structure Carrier. The RRM flew aboard Space Shuttle Atlantis on the STS-135 mission July 2011