U.S. Air Force Senior Airman Jerick Encarnacion, with the 455th Expeditionary Logistics Readiness Squadron, prepares for a… https://www.rawpixel.com/image/3317838/free-photo-image-military-american-independence-warFree Image from public domain licensePresident Barack H. Obama, at the lectern, visits U.S. Service members at Bagram Airfield, Afghanistan, May 25, 2014. https://www.rawpixel.com/image/3319224/free-photo-image-afghanistan-armored-armyFree Image from public domain licenseDehydrated food luncheon at Senate. Senators Johnson of Colorado, O'Mahoney of Wyoming, and Chavez of [New Mexico] sampled… https://www.rawpixel.com/image/12306683/image-plant-people-womanFree Image from public domain licenseA U.S. Navy MH-60S Sea Hawk, with Helicopter Sea Combat Squadron (HSC) 14, prepares to offload pallets of cargo onto the… https://www.rawpixel.com/image/8728283/photo-image-public-domain-ocean-personFree Image from public domain license