This photograph of President Dwight D. Eisenhower and Soviet Premier Nikita Sergeevich Khrushchev was taken on September 15, 1959. In the photograph, President Eisenhower and Khrushchev can be seen disembarking a presidential helicopter on the South Lawn of the White House Grounds following an impromptu aerial tour of Washington, D.C. During the helicopter tour, the two flew over the National Mall, the monuments, and the local suburbs of Washington, D.C. Khrushchev's 12 day visit to the United States included visits to New York City, Hyde Park to pay respects to former First Lady Eleanor Roosevelt, Los Angeles, San Francisco, corn farms in Iowa, Pittsburgh, Camp David, and Eisenhower’s farm at Gettysburg, Pennsylvania.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen on the South Lawn before departing with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen on the South Lawn before departing with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen waiting for President Johnson and members of his staff to board before departing from the South Lawn. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen on the South Lawn before departing with President Johnson and members of his staff on board. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen waiting for President Johnson and members of his staff to board before departing from the South Lawn. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen waiting for President Johnson and members of his staff to board before departing from the South Lawn. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by James P. Blair in May 1966 during the Lyndon B. Johnson administration. In this photograph, the presidential helicopter is seen waiting for President Johnson and a member of his staff to board before departing from the South Lawn. Johnson can be seen in the background walking up the South Grounds drive. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph was taken by Joseph J. Scherschel on June 17, 1965. It shows astronauts Lt. Col. James McDivitt and Lt. Col. Edward White and their families arriving in a Marine Corps helicopter to visit the White House. They were invited to the White House following the successful Gemini 4 mission to space, which included 62 Earth orbits over four days and the first American spacewalk. President Lyndon B. Johnson presented McDivitt, White, and Charles W. Mathews, manager of the Gemini Program Office Manned Spacecraft Center, with National Aeronautics and Space Administration (NASA) Distinguished Service Medals during a ceremony in the Rose Garden, and First Lady Lady Bird Johnson led the recipients and their families on a tour of the White House. The families spent the night at the White House, and departed the following day with Vice President Hubert H. Humphrey aboard SAM 26000 for the Paris Air Show at President Johnson's invitation.

This photograph was taken by Joseph J. Scherschel on June 17, 1965. It shows astronauts Lt. Col. James McDivitt and Lt. Col. Edward White and their families arriving in a Marine Corps helicopter to visit the White House. They were invited to the White House following the successful Gemini 4 mission to space, which included 62 Earth orbits over four days and the first American spacewalk. President Lyndon B. Johnson presented McDivitt, White, and Charles W. Mathews, manager of the Gemini Program Office Manned Spacecraft Center, with National Aeronautics and Space Administration (NASA) Distinguished Service Medals during a ceremony in the Rose Garden, and First Lady Lady Bird Johnson led the recipients and their families on a tour of the White House. The families spent the night at the White House, and departed the following day with Vice President Hubert H. Humphrey aboard SAM 26000 for the Paris Air Show at President Johnson's invitation.

This photograph was taken by Joseph J. Scherschel on June 17, 1965. It shows astronauts Lt. Col. James McDivitt and Lt. Col. Edward White and their families arriving in a Marine Corps helicopter to visit the White House. They were invited to the White House following the successful Gemini 4 mission to space, which included 62 Earth orbits over four days and the first American spacewalk. President Lyndon B. Johnson presented McDivitt, White, and Charles W. Mathews, manager of the Gemini Program Office Manned Spacecraft Center, with National Aeronautics and Space Administration (NASA) Distinguished Service Medals during a ceremony in the Rose Garden, and First Lady Lady Bird Johnson led the recipients and their families on a tour of the White House. The families spent the night at the White House, and departed the following day with Vice President Hubert H. Humphrey aboard SAM 26000 for the Paris Air Show at President Johnson's invitation.

This photograph of Marine One was taken by Matthew D'Agostino on July 1, 2015, during the Barack Obama administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Obama and members of his staff aboard. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by Matthew D'Agostino on July 1, 2015, during the Barack Obama administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Obama and members of his staff aboard. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by Matthew D'Agostino on July 1, 2015, during the Barack Obama administration. In this photograph, the presidential helicopter is seen departing from the South Lawn with President Obama and members of his staff aboard. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.

This photograph of Marine One was taken by Matthew D'Agostino on July 1, 2015, during the Barack Obama administration. In this photograph, the presidential helicopter is seen on the South Lawn waiting for members of President Obama's staff to board the aircraft. Although presidents had used airplanes to travel for some time, helicopters were not adopted for use as presidential conveyance until the Dwight D. Eisenhower administration.