How big was the crew on the " Lunniy Orbitalny Korabl " ?
In 1970–1971 the LK was completely ready after three unmanned test flights on LEO ( Kosmos 379 , Kosmos 398 , Kosmos 434 ) , and the LOK was launched once ( Kosmos 382 aka 7K - L1E dummy of 7K - LOK ) .