Standing on the Edge of the Bay. Astronaut conducts an in-space evaluation of the Portable Foot Restraint (PFR) which was used operationally on the first Hubble Space Telescope (HST) servicing mission and future Shuttle missions. He is positioned on the edge of Discovery's payload bay. Behind him the starboard Orbital Manoeuvring System (OMS) pod can be seen with the soft glow of an Earth limb (NASA Media Archives). Buy this as a superb wall poster, a canvas print or a framed print.