Astronaut Rick Mastracchio, STS-118 mission specialist, participates in the mission's third planned spacewalk or extravehicular activity (EVA) on Aug. 15, 2007, as construction and maintenance continue on the International Space Station.
Astronaut Rick Mastracchio, STS-118 mission specialist, participates in the mission’s third planned spacewalk or extravehicular activity (EVA) on Aug. 15, 2007, as construction and maintenance continue on the International Space Station. During the 5-hour, 28-minute spacewalk, Mastracchio and astronaut Clay Anderson (out of frame), Expedition 15 flight engineer, relocated the S-Band Antenna Sub-Assembly from Port 6 (P6) to Port 1 (P1) truss, installed a new transponder on P1 and retrieved the P6 transponder.Image credit: NASA