Propulsion—The Power Behind Aviation (and Space)

Advances in aerospace vehicles almost always follow advances in propulsion. And propulsion technology continues to advance, creating new opportunities. So what is in store for the future? Attending the AIAA Propulsion & Energy conference in Indianapolis, senior editor Guy Norris and technology editor Graham Warwick discuss possibilities raging from nuclear rockets to electric aircraft.

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Aviation Week & Space Technology editors take a look at some of the bigger-picture issues in the world of aerospace and defense