https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12288422Edit ImageSaveSaveEditCropCustom TextU.S. Naval Academy, Annapolis, Maryland. Instruction in ballistics. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 900 px | 300 dpiLarge JPEG 3500 x 2624 px | 300 dpiBest Quality JPEG 8624 x 6466 px | 300 dpiTIFF 8624 x 6466 px | 300 dpi | 106.38 MBFree DownloadU.S. Naval Academy, Annapolis, Maryland. Instruction in ballistics. Sourced from the Library of Congress.More