STS057-32-017 (24 June 1993) --- Near the airlock hatch on Endeavour's middeck, astronaut Brian Duffy, pilot, checks out some of the equipment to be used on the June 25 extravehicular activity (EVA) of two crewmates. Less than 24 hours later, Duffy and three other NASA astronauts remained inside Endeavour's cabin while astronauts G. David Low and Peter J. K. (Jeff) Wisoff, began a lengthy, variegated session of EVA.