Vice President Joe Biden served as the officiant of a same-sex marriage between Joe Mahshie and Brian Mosteller, two longtime White House staffers. Biden performed the ceremony at the Naval Observatory in Washington, D.C. He is the first vice president to officiate a same-sex ceremony.
Biden tweeted that he was "proud" to marry the two off.
Proud to marry Brian and Joe at my house. Couldn't be happier, two longtime White House staffers, two great guys. pic.twitter.com/0om1PT7bKh— Vice President Biden (@VP) August 1, 2016
Biden has publicly supported same-sex marriage since 2012.