Working from the aft flight deck, Cabana will manually guide Endeavor in a looping maneuver to a point 250 feet above Zarya, where he will slowly close in on the 21-ton module to guide it by Currie; Zarya will be the heaviest object ever handled by the shuttle's robot arm, exceeding the Compton gamma ray observatorium by almost 7,000 pounds.
Working from the aft flight deck, Cabana will manually guide Endeavour in a looping maneuver to a point 250 feet above Zarya, where he will slowly close in on the 21-ton module for its grapple by Currie. Zarya will be the heaviest object ever handled by the shuttle's robot arm, exceeding the Compton Gamma Ray Observatory by about 7,000 pounds.