File:M2 Treadway Bridge on the Rhine at Boppard near Koblenz, Germany, March 1945.jpg

Size of this preview: 482 × 599 pixels. Other resolutions: 193 × 240 pixels | 561 × 697 pixels.

Original file ‎(561 × 697 pixels, file size: 125 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

Description	English: An M4 Sherman tank about to cross an M2 Treadway bridge on the Rhine River at Boppard near Koblenz, Germany, March 1945
Date	18 March 2015
Source	The Corps of Engineers: The War Against Germany, Center of Military History (U S Army), 1985
Author	Beck, Alfred M., et al,

Licensing

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.