S94-33357 (1994) --- Scott Bleiseth, top, prepares to spin Mike Hess, a fellow EVA engineer, during a test on the air-bearing floor in the Shuttle Mock-up and Integration Laboratory at NASA's Johnson Space Center. The hardware being tested is part of the Simplified Aid for EVA Rescue (SAFER). The pair was developing techniques by which the non-SAFER equipped spacewalker will impart a rotation to the SAFER-using spacewalker during the STS-64 mission. Once the SAFER astronaut is spinning, the device will be activated and its automatic attitude hold capability will be tested. SAFER is to fly on STS-76 as well. Photo credit: NASA or National Aeronautics and Space Administration