Marine One, carrying US President Joe Biden, takes off under the watchful gaze of a Secret Service agent on the South Lawn of the White House in Washington, DC on October 17, 2024. Biden is heading to Berlin for a whirlwind one-day visit where he is schedule to meet with the leaders of Germany, France and the United Kingdom. (Photo by Mandel NGAN / AFP) (Photo by MANDEL NGAN/AFP via Getty Images)

US President Joe Biden makes his way board Marine One from the South Lawn of the White House in Washington, DC on October 17, 2024. Biden is heading to Berlin for a whirlwind one-day visit where he is schedule to meet with the leaders of Germany, France and the United Kingdom. (Photo by Mandel NGAN / AFP) (Photo by MANDEL NGAN/AFP via Getty Images)

WASHINGTON, DC - OCTOBER 17: A secret service agent stands on the south lawn as Marine One, with U.S. President Joe Biden aboard lifts from the White House for Joint Base Andrews on October 17, 2024 in Washington, DC. On what is expected to be his final trip to Europe as president, Germany will present Biden with its highest honor for his leadership in defending Ukraine. Biden was originally supposed to visit Germany last week to take part in a multinational summit focused on Ukraine, but it was postponed due to Hurricane Milton. (Photo by Kent Nishimura/Getty Images)

WASHINGTON, DC - OCTOBER 17: U.S. President Joe Biden departs the White House for Joint Base Andrews for a trip to Germany on October 17, 2024 in Washington, DC. On what is expected to be his final trip to Europe as president, Germany will present Biden with its highest honor for his leadership in defending Ukraine. Biden was originally supposed to visit Germany last week to take part in a multinational summit focused on Ukraine, but it was postponed due to Hurricane Milton. (Photo by Kent Nishimura/Getty Images)

WASHINGTON, DC - OCTOBER 17: A secret service agent stands on the south lawn as Marine One, with U.S. President Joe Biden aboard lifts from the White House for Joint Base Andrews on October 17, 2024 in Washington, DC. On what is expected to be his final trip to Europe as president, Germany will present Biden with its highest honor for his leadership in defending Ukraine. Biden was originally supposed to visit Germany last week to take part in a multinational summit focused on Ukraine, but it was postponed due to Hurricane Milton. (Photo by Kent Nishimura/Getty Images)

WASHINGTON, DC - OCTOBER 17: U.S. President Joe Biden departs the White House for Joint Base Andrews for a trip to Germany on October 17, 2024 in Washington, DC. On what is expected to be his final trip to Europe as president, Germany will present Biden with its highest honor for his leadership in defending Ukraine. Biden was originally supposed to visit Germany last week to take part in a multinational summit focused on Ukraine, but it was postponed due to Hurricane Milton. (Photo by Kent Nishimura/Getty Images)

WASHINGTON, DC - OCTOBER 17: U.S. President Joe Biden gestures as he speaks to members of the press as he walks to Marine One as he departs the White House for Joint Base Andrews for a trip to Germany on October 17, 2024 in Washington, DC. On what is expected to be his final trip to Europe as president, Germany will present Biden with its highest honor for his leadership in defending Ukraine. Biden was originally supposed to visit Germany last week to take part in a multinational summit focused on Ukraine, but it was postponed due to Hurricane Milton. (Photo by Kent Nishimura/Getty Images)

WASHINGTON, DC - OCTOBER 17: A secret service agent stands on the south lawn as Marine One, with U.S. President Joe Biden aboard lifts from the White House for Joint Base Andrews on October 17, 2024 in Washington, DC. On what is expected to be his final trip to Europe as president, Germany will present Biden with its highest honor for his leadership in defending Ukraine. Biden was originally supposed to visit Germany last week to take part in a multinational summit focused on Ukraine, but it was postponed due to Hurricane Milton. (Photo by Kent Nishimura/Getty Images)