'Letter to Airmen' recommits to high standards 'Letter to Airmen' recommits to high standards

In his first Letter to Airmen, acting Secretary of the Air Force Michael B. Donley emphasizes the Air Force recommitment to high standards. (U.S. Air Force photo illustration/Mike Carabajal)

Airman's Roll Call: leave management

Now that summer is here, many Airmen are thinking about taking leave from work. However, there are changes for taking leave. This week's Airman's Roll Call explains those changes. (U.S. Air Force illustration/Mike Carabajal)

Airman's Roll Call: Air Force offers benefits to Airmen

Purchasing groceries at the commissary is another great way for Airmen and their families to save money. Items bought at the commissary are sold at cost plus a mere five percent, which covers some operational costs. (U.S. Air Force illustration/Mike Carabajal)

Computational analysis improves I-500 warhead survivability

The I-500 warhead's predicted deformation contours after penetration into hardened concrete for the original design (on left), and the Air Force Research Laboratory-proposed design (right). (U.S. Air Force courtesy art)

Restraint system improves aircrew safety

The universal mobile aircrew restraint system shown could reduce aircrew injuries. The new restraint system is based on the same technology that brings a speeding roller coaster to a smooth stop. (U.S. Air Force photo/Chris Gulliford)

U.S. Army celebrates 233nd birthday

Since its birth on June 14, 1775, more than a year before the Declaration of Independence was signed, the U.S. Army has played a vital role in the growth and development of America. Soldiers have fought more than 10 wars, from the American Revolution through the Cold War, the Gulf War, to the current war on terrorism. This 233nd birthday is a recognition of the Army's history, traditions and service to the nation, a call to duty, 233 years of service to the nation. (U.S. Air Force illustration/James Borland)