President George Bush speaks at the christening of his father's namesake aircraft carrier, the USS George H.W. Bush.
President Barack Obama greets supporters after a campaign event in Springfield, Illinois.
President Donald Trump fights through high winds and waves to a small crowd of supporters upon his arrival alongside Secretary of Defense Gen. James Mattis, Thursday, March 2, 2017 at Langley Air Force Base in Hampton, Va.
Presdient Bill Clinton stumps on behalf of current president Barack Obama.
President George H.W. Bush is pictured on the deck of his namesake aircraft carrier, August, 26, 2003 at Naval Station Norfolk.
Presidential candidate Mitt Romney reacts to the crowd during a campaign stop, Monday, Oct. 8, 2012 in Newport News, Va. (AP Photo/Jason Hirschfeld)
Ann Romney, left in red, and Cindy McCain, far left in purple, greet supporters during a campaign stop, Friday, Oct. 26, 2012 in Virginia Beach.