WASHINGTON, DC - AUGUST 6: (AFP OUT) U.S. President Barack Obama salutes the Marien Guard as he and first lady Michelle Obama depart the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 6: (AFP OUT) U.S. President Barack Obama and first lady Michelle Obama depart the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 6: (AFP OUT) Malia and Sasha Obama depart ahead of their parents United States President Barack Obama and first lady Michelle Obama depart the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 6: (AFP OUT) Malia and Sasha Obama depart ahead of their parents United States President Barack Obama and first lady Michelle Obama depart the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 6: (AFP OUT) U.S. President Barack Obama and first lady Michelle Obama depart the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 6: (AFP OUT) Marine One, with United States President Barack Obama and members of the first family aboard, departs the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

WASHINGTON, DC - AUGUST 6: (AFP OUT) U.S. President Barack Obama waves to the assembled press as he and first lady Michelle Obama depart the White House August 6, 2016 in Washington, DC. The family is traveling to travel to Marthas Vineyard, Massachusetts for their annual two week vacation. (Photo by Ron Sachs-Pool/Getty Images)

Malia (R) and Sasha, the daughters of US President Barack Obama and First Lady Michelle Obama, make their way to board Marine One ahead of their parents on the South Lawn of the White House in Washington, DC on August 6, 2016. Obama and his family were headed to Martha's Vineyard for their summer vacation. / AFP PHOTO / MANDEL NGANMANDEL NGAN/AFP/Getty Images