";s:4:"text";s:1816:" “Houston, we’ve had a problem.” That’s among the hundred-plus NASA audio files from historic spaceflights, current missions and even sounds of the future…sounds that you can easily download to your phone. A launch status check, also known as a "go/no go poll" and several other terms occurs at the beginning of an American spaceflight mission in which flight controllers monitoring various systems are queried for operation and readiness status before a launch can proceed. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind. The M4R files must be downloaded and imported via iTunes. All NASA audio highlight reels, in mp3 format.