Why NASA Starliner astronauts are delayed at the space station [Video]

When two veteran NASA astronauts blasted off on a test drive of Boeing’s new capsule, they expected to head home from the International Space Station in a week or so.Related video above: NASA delays Boeing’s Starliner return to EarthIt’s now three weeks and counting for Butch Wilmore and Suni Williams as NASA and Boeing troubleshoot equipment problems that popped up on the way there.Three potential landing dates were called off, and their return flight was put on hold. On Friday, officials said there’s no rush to bring them home, and more testing will be done first.”I want to make it very clear that Butch and Suni are not stranded in space,” said Steve Stich, NASA’s commercial crew program manager.Stich said the astronauts could use the capsule if there was an emergency at the space station and they needed to make a quick getaway.The long-delayed test flight is the first with …