Presidential aircraft

President Harry S. Truman's airplane, the Independence, at the Boca Chica airport during ceremonies welcoming him to Florida for his vacation trip to Key West. All are unidentified.

President Harry S. Truman waving farewell as he prepares to board the airplane at the Boca Chica Airport for the return flight to Washington, D.C. at the conclusion of his vacation in Key West, Florida.

President Harry S. Truman waving farewell as he prepares to board the airplane at the Boca Chica Airport for the return flight to Washington, D.C. at the conclusion of his vacation in Key West, Florida.

President Harry S. Truman stepping out of the airplane, "The Independence," upon his arrival at Boca Chica airport, on the first day of his vacation at Key West, Florida. All others are unidentified.

President Harry S. Truman waving farewell as he prepares to board the airplane at the Boca Chica Airport for the return flight to Washington, D.C. at the conclusion of his vacation in Key West, Florida.

President Harry S. Truman (left) and First Lady Bess W. Truman (center) speak with Treasury Secretary John Snyder (right) as they prepare to depart Washington, D.C. for the Democratic National Convention in Chicago, Illinois.

President Harry S. Truman (left), First Lady Bess W. Truman (center), and Treasury Secretary John Snyder prepare to board their plane to depart Washington, D.C. for the Democratic National Convention in Chicago, Illinois.

President Harry S. Truman waves from the steps of his plane as he prepares to depart Washington, D.C. for the 1952 Democratic National Convention in Chicago, Illinois.

President Harry S. Truman walks off the presidential airplane, the "Sacred Cow", at La Guardia Airport in New York City. He flew to New York to accept an honorary degree from Forham University. All others unidentified.

Members of the press look on as Secret Service agents escort the motorcade carrying President Harry S. Truman and British Prime Minister Winston Churchill at Washington National Airport.