true black tag:bbc.co.uk,2008:britain-from-above:playlist_48ecebd2ee532 Farming from Space In the latest efficiency revolution machinery drives itself tag:bbc.co.uk,2008:britain-from-above:item_48ecebd2ee5f4 tag:bbc.co.uk,2008:britain-from-above:related_48ecebd2ee684 Running the National Machine The vast facilities which keep the British machine running tag:bbc.co.uk,2008:britain-from-above:related_48ecebd2ee736 Testing the Typhoon The jewel of the Royal Air Force