The Defense Department has named retired Air Force Gen. Lester Lyles as the vice chairman of the Defense Science Board. The former commander of the Air Force Materiel Command will serve with former DOD acquisition and technology czar Paul Kaminski, who was just named DSB chairman. Lyles will serve through December 2010.
PHOTOS: Air Force Shows Off Second B-21 in New Images
Sept. 12, 2025
On Sept. 12, the Air Force released half a dozen new photos of the second B-21 bomber to fly, giving observers and aviation enthusiasts another glimpse of the secretive Raider.