Matt Cardy/Getty Images

Revamp Air Traffic Control

Obama's Challenge: Move to a more accurate satellite-based surveillance system.

Who's Got a Shot: In September, Washington began using satellite radar (as opposed to traditional, ground-based radar systems) to track commercial aircraft in the Gulf of Mexico. Satellite activity by telecoms such as AT&T and Iridium could cut technological costs, which would make launching and maintaining satellite systems more efficient. A system could roll out nationwide by 2013.

next slide previous slide