Beware the Reaper

A fully armed MQ-9 Reaper unmanned aerial vehicle taxis down the runway at an air base in Afghanistan on its way to another wartime mission. (U.S. Air Force photo/Staff Sgt. Brian Ferguson)

Everything checks out

A crew performs a pre-flight check on a C-130 Hercules at Little Rock Air Force Base, Ark., prior to a scheduled mission. (U.S. Air Force photo/Tech. Sgt. Larry A. Simmons)

A show of force

An HH-60 Pave Hawk assigned to Nellis Air Force Base, Nev., fires chaff and flares while demonstrating evasive maneuvers during a fire power demonstration at the Nevada Test and Training Range. The demonstration gives the general public a close-up and realistic view into the Air Force's ability to perform its wartime mission. (U.S. Air Force photo/Airman 1st Class Brian Ybarbo)

And don't forget to floss

Staff Sgt. Patricia Wheatley, from the 435th Dental Squadron at Ramstein Air Base, Germany, helps a local boy brush his teeth during a medical capabilities exercise in Senkoro, Mali. The exercise helps foster relationships of peace, security and cooperation among Trans-Sahara nations. (U.S. Air Force photo/Tech Sgt. Jeromy K. Cross)

Day is done

A flightline ground crew prepares to tow a Global Hawk unmanned aircraft system to a secure hangar at Andersen Air Force Base, Guam. The UAS has a wingspan of 116 feet and is designed to cruise at extremely high altitudes. (U.S. Air Force photo/Senior Airman Miranda Moorer)

How low can you go?

Air Force Academy basic cadets practice the low crawl during the field portion of Basic Cadet Training (BCT). The training, which tests the cadets' stamina and determination, includes M-16 weapons training, obstacle and confidence courses, drill instruction and evaluation and leadership response courses. (U.S. Air Force photo/Master Sgt. Scott Reed)

Time for a fill-up

A C-17 Globemaster III makes contact with a KC-135 Stratotanker during an aerial refueling rendezvous. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

We're ready

Even when they're on their way to exercise, Airmen at Bagram Air Base, Afghanistan, are ready for anything. (U.S. Air Force photo/Tech. Sgt. Rick Sforza)

You'd better come out!

Staff Sgt. Bryan Garcia (left) and Master Sgt. Ronald Thompson make their way up a flight of stairs to the attic to clear a target building during a training session at Lackland Air Force Base, Texas. (U.S. Air Force photo/Robbin Cresswell)

Falcons take wing

F-16 Fighting Falcons from the 18th Fighter Squadron at Eielson Air Force Base, Alaska, fly in formation over the Pacific Alaska Range Complex during a training mission. (U.S. Air Force photo/Master Sgt. Robert Wieland)

A farm of a different kind

Tech. Sgt. Adam Giles closes a block valve to a 50,000 gallon aviation fuel bladder at Kirkuk Air Base, Iraq. This bladder farm provides enough fuel for five surrounding forward operating bases as well as Army and Air Force operations at Kirkuk. (U.S. Air Force photo/Senior Airman Bradley A. Lail)

Raw power

An F-22 Raptor performs for thousands during an air show. The F-22's aero design, advanced flight controls, thrust vectoring and high thrust-to-weight ratio allows it to outmaneuver its adversaries. (U.S. Air Force photo/Tech. Sgt. Justin D. Pyle)