<p>U.S. Chief of Protocol Ambassador Peter Selfridge watches as a red carpet is rolled out before a Boeing 747 carrying
</p>
King Salman bin Abdulaziz of Saudi Arabia after it arrived at Andrews Air Force Base in Camp Springs, Maryland, on September 3, 2015, so the King could visit President Barack Obama.  [State Department photo/ Public Domain]
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/statephotos/20503536223/">Protocol Chief Selfridge Watches As Red Carpet Rolled Out for Saudi King Salman Upon Arrival At Andrews Air Force Base</a>