NASA Photo ID: S91-48308 File Name: 10064460.jpg Film Type: 35mm CN Date Taken: 10/09/91 Title: STS-42 crewmembers participate in JSC fire fighting training exercises Description: STS-42 Discovery, Orbiter Vehicle (OV) 103, Payload Specialist Ulf D. Merbold sprays a fire extinguisher at the base of a fire during fire fighting and fire training exercises held at JSC's Fire Training Pit located across from the Gilruth Center Bldg 207. Merbold is representing the European Space Agency (ESA) on the International Microgravity Laboratory 1 (IML-1) mission aboard OV-103.