Travelers across the United States no longer have to take their shoes off when going through TSA checkpoints at airports.

From new bathrooms to new food and drink options, and even a more streamlined security process, a lot is in the works at Huntsville International Airport.

Axiom-4 astronauts from the US, India, Poland, and Hungary speak to CNN’s Paula Newton about initial delays to the start of their mission, and why commercial space travel is so important.