The following images are the works of the US Department of Defense and are used in accordance with the Defense Imagery Management Operations Center reuse guidelines.

The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.

photo credit 1
https://www.flickr.com/photos/thejointstaff/10944536826/

photo credit 2
https://www.defense.gov/Photos/Photo-Gallery/igphoto/2001669206

photo credit 3

https://www.defense.gov/Photos/Photo-Gallery?igphoto=2001103835

photo credit 4

https://www.flickr.com/photos/marine_corps/6979661577/

 

The following images are used with permission from the US Library of Congress in accordance with the CC0 1.0 Universal agreement.

The appearance of these images does not imply or constitute an endorsement by the US Library of Congress or the photographer.

 

photo credit 5
https://lccn.loc.gov/2011634218
Library of Congress, Prints & Photographs Division, photograph by Carol M. Highsmith
[reproduction number, e.g., LC-USZ62-123456]

 

The following images are used from Wikimedia Commons in accordance the Creative Commons Attribution-Share Alike 2.0 Generic license.

The appearance of these images does not imply or constitute an endorsement by Wikimedia Commons or the photographer.

photo credit 6
https://commons.wikimedia.org/wiki/File:2013_people_wating_on_subway_platform_12677922605.jpg
Wikimedia Commons, photograph by Hernán Piñera