NASA and SpaceX have enjoyed a very fruitful business relationship, but a controversial interview where Elon Musk smoked weed and drank whiskey is allegedly endangering it. The Washington Post reports that the interview prompted a safety review of SpaceX. While NASA didn't specifically confirm the reasoning, a NASA spokesman did say the agency would "ensure the companies are meeting NASA's requirements for workplace safety, including the adherence to a drug-free environment." SpaceX and Boeing currently have a contract with NASA to fly astronauts to and from the International Space Station (ISS) starting next year. Since 2011, NASA has had a contract with Russia to fly American astronauts to and from the ISS on Soyuz rockets. A Soyuz rocket was forced to make an emergency landing in October at the beginning of a flight to the ISS. which may have also played a role in prompting the safety review. The Russian contract is set to expire in November of next year. If American astronauts want to continue to fly to the ISS, Boeing and SpaceX will quickly have to step up to the plate and ace the review.