A U.S. Customs and Border Protection Black Hawk helicopter flies over the Golden Gate Bridge with San Francisco in the background, Feb. 1, 2016.
U.S. Customs and Border Protection/Glenn Fawcett
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/2380462/cbp-air-and-marine-operations-provides-security-super-bowl-50">https://www.dvidshub.net/image/2380462/cbp-air-and-marine-operations-provides-security-super-bowl-50</a>; see also <a rel="nofollow" class="external free" href="https://www.flickr.com/photos/cbpphotos/24150806723/">https://www.flickr.com/photos/cbpphotos/24150806723/</a>