Pics of the day. USAF edition.

U.S. Air Force Staff Sgt. Alyssa Gomez demonstrates proper use of camouflaged ghillie suits at the Nevada Test and Training Range on May 11, 2012. Snipers wear the ghillie suits to blend into their surroundings and conceal themselves from enemies or targets. Gomez is with the 99th Ground Combat Training Squadron. (U.S. Air Force photo by Airman 1st Class Daniel Hughes)

A U.S. Air Force F-22 Raptor fighter aircraft pulls away from a U.S. Air Force KC-135 Stratotanker aerial refueling aircraft after refueling off the East Coast on May 10, 2012. On Dec. 15, 2005, the Air Combat Command commander, along with the 1st Fighter Wing commander, announced the 27th Fighter Squadron as fully operational and capable to fly, fight and win with the F-22. The F-22 is with the 1st Fighter Wing at Joint Base Langley-Eustis, Va., and the KC-135 is with the 756th Air Refueling Squadron at Joint Base Andrews, Md. (U.S. Air Force photo by Master Sgt. Jeremy Lock)

U.S. Marine Corps CH-53E Super Stallion helicopter crew members conduct slingload operations with Airmen at Joint Base McGuire-Dix-Lakehurst, N.J., May 10, 2012. Both units were preparing for a Marine airpower demonstration at the bases’ open house and air show, which took place May 12 and 13. The CH-53E crew is with Marine Heavy Helicopter Squadron 772 and the Airmen are with the 621st Contingency Response Wing. (U.S. Air Force photo by Tech. Sgt. Edward Gyokeres)