Washington and His Staff at Valley Forge by Veron Fletcher and Edward Moran, Smithsonian National Museum of African Art https://www.rawpixel.com/image/8849946/image-background-art-vintageFree Image from public domain licenseU.S. desert airmen check bombing plans. The crew of an U.S. Army Air Force B-25 bomber check their flight plans at a desert… https://www.rawpixel.com/image/12240050/photo-image-people-airplane-crossFree Image from public domain licenseU.S. Navy Petty Officer 1st Class Wanda Sangalang, left, a field medical technician, and Petty Officer 3rd Class Anthony… https://www.rawpixel.com/image/8741341/photo-image-public-domain-personFree Image from public domain licenseNieuport 28C.1, vintage airplane image. Original public domain image from The Smithsonian Institution. Digitally enhanced by… https://www.rawpixel.com/image/10103391/photo-image-rose-plant-handsFree Image from public domain license