The Crew 10 mission’s launch was halted, after a last minute issue with the launch pad’s ground system, thereby further delaying Williams and Butch Wilmore’s return. When would the astronauts come back?

Sunita Williams and Butch Wilmore have completed over 900 hours of research involving 150 scientific experiments and technology demonstrations during their extended stay on the orbiting laboratory.

America is eagerly awaiting the return of two astronauts who have been stuck on the ISS since last June. Here's who they are.