The submission window for this year’s Air Force Photo Contest is extended to Aug. 13. The contest launched July 1 with a theme of “What a Wonderful World.” Airmen, Guardians and their families, ages six and older, are encouraged to submit their photos in five categories: Adult Novice and Accomplished categories, and Youth categories for ages 6-8, pre-teens for ages 9-12 and teens for ages 13-17. (U.S. Air Force Graphic)