Soyuz launch delayed for third day in a row

Liftoff of a Soyuz rocket from French Guiana was delayed again Sunday due to a technical problem with the booster discovered in the countdown sequence. The Soyuz is supposed to launch with five satellites, including the next spacecraft for Europe’s multibillion-dollar Earth observing network and a French experiment to probe the validity of Einstein’s theory of general relativity. More

(Source: SpaceFlight Now - Apr 24)