Bjarni V. Tryggvason poses in the white room as he prepares to enter the Space Shuttle orbiter Discovery.

STS-85 Payload Specialist Bjarni V. Tryggvason poses in the white room at Launch Pad 39A with his ascent/reentry flight suit as he prepares to enter the Space Shuttle orbiter Discovery at Launch Pad 39A during Terminal Countdown Demonstration Test (TCDT) activities for that mission. The primary payload aboard the Space Shuttle orbiter Discovery is the Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere-2 (CRISTA-SPAS-2). Other payloads on the 11-day mission include the Manipulator Flight Demonstration (MFD), and Technology Applications and Science-1 (TAS-1) and International Extreme Ultraviolet Hitchhiker-2 (IEH-2) experiments