Cosmos 238 was an unmanned Soyuz spacecraft that carried out 1968 tests in orbit in August. It was the latest in a series of test flights of starships Sojusreihe after the disaster of Soyuz 1 previous missions were Cosmos 186 and Cosmos 188 and 212 and 213
The launch took place on August 28, 1968 at 10:04 UTC clock from Soviet Baikonur Cosmodrome aboard a Soyuz rocket. In general, the entire systems were tested, which were improved after the Soyuz 1 disaster. The landing took place on September 1, 1968 at 9:03 UTC clock.