Roscosmos scrubs Soyuz crew launch 20 seconds before liftoff

A Russian cosmonaut, an American astronaut and a Belarusian flight attendant turned spaceflight participant are preparing for a mission to the International Space Station. Their arrival at the orbiting outpost will mark the beginning of Expedition 71. Liftoff onboard a Soyuz 2.1a rocket from the Baikonur Cosmodrome was set for 4:21 p.m. MSK (9:21 a.m. ET, 1321 UTC), however the launch scrubbed at T-20 seconds for a yet unknown reason. Oleg Novistky, Tracy Dyson and Marina Vasilevskaya make up the trio of the MS-25 mission. More

(Source: SpaceFlight Now - Mar 22)