Space research jeopardised by US-Russia tensions
14 August 2014 Last updated at 09:46 BST
Tensions between Russia and the United States have reached a new high since the downing of flight MH17 over Ukraine.
Sanctions have been put in place targeting Russia's finance, defence and energy sectors but the Russians may have found a way to hit back - through the space industry.
Science correspondent Rebecca Morelle reports.