Photos used under Creative Commons from The U.S. Army, oseillo, Praveen & Naveen Kumar Jangra, symphony of love, Aaron T. Goodman, Umming.bird, Art4TheGlryOfGod, istolethetv, Free Grunge Textures - www.freestock.ca, Horia Varlan, redwood 1, johndillon77, wuestenigel, ChristianeBue, lauraflorcar, One Way Stock, jk+too