Photos: The fastest aircraft ever made

What happened to HTV-2, the aircraft designed to fly anywhere in the world in less than 60 minutes?

Falcon Hypersonic Technology Vehicle  Falcon Hypersonic Technology Vehicle 2 (HTV-2), the fastest aircraft ever built is designed to fly anywhere in the world in less than 60 minutes, crashed into the Pacific Ocean, although officials said they were able to gather "unique data" that will guide the development effort.