https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12306726Edit ImageSaveSaveEditCropCustom TextBritish Sergeant instructs U.S. gunners. A British Sergeant taking some of the U.S. troops in Northern Ireland through a course of light A.A. gun drill. 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 934 px | 300 dpiLarge JPEG 3500 x 2724 px | 300 dpiBest Quality JPEG 9636 x 7500 px | 300 dpiTIFF 9636 x 7500 px | 300 dpi | 137.87 MBFree DownloadBritish Sergeant instructs U.S. gunners. A British Sergeant taking some of the U.S. troops in Northern Ireland through a course of light A.A. gun drill. Sourced from the Library of Congress.More