On March 2, 1995, space shuttle Endeavour launched from NASA’s Kennedy Space Center on its eighth trip into space, the STS-67 Astro-2 mission.The crew included Commander Stephen Oswald, Pilot William Gregory, and Mission Specialists John Grunsfeld, Wendy Lawrence, and Tamara Jernigan.During the 17-day mission, they used ultraviolet telescopes to observe hundreds of celestial objects before landing at Edwards Air Force Base.The Astro-2 science payload consisted of three ultraviolet telescopes mounted on a Spacelab instrument pointing system.Endeavour launched at 1:38 a.m. EST and deployed the telescopes to conduct various studies on celestial objects.The crew operated the telescopes, conducted data collection, and performed middeck investigations in technology demonstration and biotechnology.They also conducted Earth observation photography during the mission.The mission lasted 16 days, 15 hours, and 9 minutes, setting a record for the longest space shuttle mission at that time.Astronaut Norman Thagard joined the crew in space, increasing the total humans in orbit to 13.The crew successfully landed at Edwards Air Force Base, completing 262 orbits around the Earth.