STS-41C (Space Transportation System 41 C) refers to the 41st mission of the Space Shuttle program managed by NASA, launched on February 6, 1984. The mission was flown by Space Shuttle Challenger with a three-person crew: Commander Robert L. Crippen and Pilot Frederick H. Hauck, both making their second flights, and Mission Specialist John M. Fabian flying his first space flight.The primary objective of STS-41C was to deploy two communication satellites, Palapa B1 (Indonesia) and Telstar 3-D (United States). Additionally, the crew performed various scientific experiments, such as investigations into astronaut health and performance in space, materials processing, and atmospheric physics studies. The mission lasted for nearly five days, concluding on February 11, 1984, with a successful landing at Edwards Air Force Base in California.