A C-130 Hercules waits for approval from the air traffic control tower prior to takeoff Aug. 5, 2014, during an off-site training sortie at Joint Base Elmendorf-Richardson, Alaska. The training prepared aircrew personnel for the upcoming Red Flag-Alaska exercise. The C-130 is assigned to the 36th Airlift Squadron. (U.S. Air Force photo by Staff Sgt. Chad C. Strohmeyer/Released)
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usairforce/14740826920/">Approval for takeoff</a>