Capsule (uk), andrew martin dir.

Writers: Felix Forrest (story) & Andrew Martin

Capsule is the story of Guy, an experienced British Cold War fighter pilot who helms the UK's first manned Space Mission. His trip is regarded as Top Secret and not even Britain's closest allies know of the launch until things start to go wrong.

imdb: http://www.imdb.com/title/tt3108244/?ref_=nm_knf_i1

Full film: Available to stream on Hulu