The 1970s
The early 1970s were rounded out by several more U.S. manned Moon landings, which featured expanded tasks including more sample returns, experiments, and extended EVAs with a lunar rover. The USSR continued for time with their N1 rocket, as well as more Soyuz flights to their Salyut stations. Unmanned spacecraft were in the limelight as well, with the USSR launching unmanned lunar sample return missions and probes to Mars and Venus. The US launched probes to Mars, Venus, Mercury, Jupiter, Saturn, and beyond, as well as launching Skylab, an orbital space station. Together, the US and Soviet conducted an orbital rendezvous by manned spacecraft in 1975. By the end of the 1970s, both were working on Space Shuttles and launching science missions at a fever pitch.
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