The X-48B

Researchers believe that the unique design of the X-48B will save 30 percent more fuel over contemporary aircraft of similar size and weight. I
Robert Ferguson / Boeing

Into the Future
Researchers believe that the unique design of the X-48B will save 30 percent more fuel over contemporary aircraft of similar size and weight. It could see service some time in the next ten to fifteen years.

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.