The Soyuz 7K-L was a Soviet spacecraft designed for crewed missions in the early 1970s. It was part of the larger Soyuz program, which aimed to transport astronauts to and from space. The 7K-L variant was specifically developed for missions that required a more advanced life support system and improved docking capabilities. This spacecraft was notable for its role in the Soyuz 7K series, which included various models used for different purposes, including scientific research and space station support. The Soyuz 7K-L contributed to the development of future spacecraft and played a significant role in the history of human spaceflight.