Dr Baker says the challenge is to get the cost of a small-satellite launcher down to a few million, and he is so excited by the possibilities that he is leaving his employer to join Virgin Galactic.

巴克博士认为难题是要降低小型卫星发射器的成本至几百万美元。而且他很可能离开老东家加盟维珍银河，他为此兴奋不已。

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Current challenge: making a go of Virgin Rail.

FORBES: Europe

The mistakes came to light after bidder Virgin Trains, which had run the West Coast Mainline since 1997, launched a legal challenge against the decision.

BBC: West Coast Mainline deal failure criticised

The mistakes came to light after rival bidder Virgin Trains, which has run the West Coast Main Line since 1997, launched a legal challenge against the decision.

BBC: West Coast rail: MPs not 'deliberately misled'