S94-33189 (June 1994) --- Though they have been assigned to two different missions, two NASA astronauts share a briefing about a common mission phase of activity - ascent. Winston E. Scott and Catherine G. Coleman, mission specialists for STS-72 and 73 respectively are briefed by John Hopkins in the mid-deck of one of two full-scale trainers in Johnson Space Center?s (JSC) Systems Integration Facility. Both mission specialists are seated in special break-down stations that accommodate a portion of each Shuttle crew during ascent and entry phases of the flight.