UK's 'Friendly Invasion' 70 years on

The last active B-17 Flying Fortress in Europe performs a fly-over above the former Knettishall Airfield, England, July 14, 2012. The fly-over was part of the 388th Bombardment Group memorial re-dedication at Coney Weston, England. (U.S. Air Force photo/Staff Sgt. Megan P. Lyon)

ACC commander qualifies in F-22

Staff Sgt. Joshua Bard straps Gen. Mike Hostage into an F-22 Raptor for his qualification flight at Tyndall Air Force Base, Fla., June 27, 2012. Hostage is the commander of Air Combat Command and Bard is a crew chief with the 43rd Aircraft Maintenance Unit. (U.S. Air Force photo/Christopher Cokeing)

Liftoff marks the 50th Evolved Expendable Launch Vehicle mission

A United Launch Alliance Atlas V rocket carrying a payload for the National Reconnaissance Office lifted off from Cape Canaveral Air Force Station, Fla., June 20, 2012. Designated NROL-38, the mission is in support of national defense. (United Launch Alliance photo/Pat Corkery)

Liftoff marks the 50th Evolved Expendable Launch Vehicle mission

A United Launch Alliance Atlas V rocket blasts off from Cape Canaveral Air Force Station, Fla., June 20, 2012, with a national security payload for the National Reconnaissance Office. This is the 61st launch for ULA and marks the 50th successful launch of an Atlas V and Delta IV Evolved Expendable Launch Vehicle. (United Launch Alliance photo/Pat Corkery)

Young Pilot of a C-17

Nicholas Kendall, 10, is astonished about the controls of a C-17 Globemaster at "Become a Pilot Day" near Chantilly, Va., June 16, 2012. Become a Pilot Day is an annual event at the National Air and Space Museum, intended to introduce children to careers in aviation. (U.S. Air Force photo/Airman 1st Class Alexander W. Riedel)

Everything under control

1st Lt. David Bishop, a pilot with the 305th Air Mobility Wing, answers questions about the controls of a C-17 Globemaster to Nicholas Kendall, 10, at "Become a Pilot Day" near Chantilly, Va., June 16, 2012. Become a Pilot Day is an annual event at the National Air and Space Museum, intended to introduce children to careers in aviation. (U.S. Air Force photo/Airman 1st Class Alexander W. Riedel)