NASA's Undersea 'Asteroid' Mission Delayed by Tropical Storm

A NEEMO engineering crew diver simulates anchoring to an asteroid surface.
A NEEMO engineering crew diver simulates anchoring to an asteroid surface. (Image credit: NASA)

An international astronaut crew may be ready to voyage to the bottom of the sea on a simulated trip to an asteroid, but Mother Nature - it seems - is not. The crew's planned splashdown today (Oct. 17) has been delayed to later this week due to stormy weather at the Florida dive site, NASA officials said.

"It's been delayed until no earlier than Thursday [Oct. 20] because of the tropical storm they're expecting," agency spokesperson Brandi Dean told SPACE.com.

NASA's newest undersea mission was scheduled to get underway today, but the team of six "aquanauts" will have to sit tight and wait out the storm. Mission controllers will continue to monitor conditions and provide updates as necessary, Dean said.

The expedition is NASA's 15th NEEMO (NASA Extreme Environment Mission Operations) voyage, which is used to test technology and innovative engineering solutions for future space missions. NEEMO 15 is the first to act as a mock visit to an asteroid. The agency uses the buoyant underwater environment as a test bed to approximate the near-weightlessness on an asteroid. [Gallery: Visions of NASA Asteroid Mission]

The NEEMO 15 expedition is made up of six astronauts, as well as noted Mars planetary scientist Steve Squyres and two professional "aquanaut" divers.

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Denise Chow
NBC News science writer

Denise Chow is a former Space.com staff writer who then worked as assistant managing editor at Live Science before moving to NBC News as a science reporter, where she focuses on general science and climate change. She spent two years with Space.com, writing about rocket launches and covering NASA's final three space shuttle missions, before joining the Live Science team in 2013. A Canadian transplant, Denise has a bachelor's degree from the University of Toronto, and a master's degree in journalism from New York University. At NBC News, Denise covers general science and climate change.