https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12339547Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsU.S. Office of Defense Transportation system of port control and its traffic channel control. Sourced from the Library of Congress.MoreU.S. Office of Defense Transportation system of port control and its traffic channel control. 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 899 px | 300 dpiLarge JPEG 3500 x 2622 px | 300 dpiBest Quality JPEG 8842 x 6623 px | 300 dpiTIFF 8842 x 6623 px | 300 dpi | 111.7 MBFree Download