He was pressured by Soviet premier Nikita Khrushchev to postpone development of Soyuz to work on Voskhod .
He was later allowed to develop Soyuz for space station and lunar exploration missions .
He was pressured by Soviet premier Nikita Khrushchev to postpone development of Soyuz to work on Voskhod , and later allowed to develop Soyuz for space station and lunar exploration missions .