STS-74 was a space shuttle mission that took place in November 1995. It was the second mission to the Russian Mir space station and involved the shuttle Atlantis. The primary objective was to deliver supplies and equipment to the station, as well as to conduct scientific experiments. During the mission, astronauts performed a series of tasks, including the transfer of a mini-research module to Mir. The crew also conducted a spacewalk to test new tools and techniques for future missions. STS-74 lasted for 9 days, successfully enhancing cooperation between the United States and Russia in space exploration.