WASHINGTON, DC — Embellished with the American flag, the presidential seal, and the words United States of America, the world's most famous plane is as tall as a six-story building and gives an undeniable authoritative presence wherever it flies.

The three-leveled "flying Oval Office" is a custom Boeing 747-200B that has 4,000 square feet of interior floor space, including a conference room, dining room, private quarters for the president, offices for senior staff members, a medical operating room (a doctor flies on every flight), press area, two food-preparation galleys that can provide 100 meals, and multifrequency radios for air-to-air and air-to-ground communication.

President Barack Obama's Air Force One is the most expensive to operate, costing taxpayers $206,337 every hour it is in flight, according to a Freedom of Information Act (FOIA) letter obtained by Judicial Watch.

Here are a few more security details:

Air Force One carrying U.S. President Barack Obama and first lady Michelle Obama taxis to the runway for departure at Austin Bergstrom International Airport on April 10, 2014 in Austin, Texas. Read more: http://www.businessinsider.com/air-force-one-skitch-2015-3#ixzz3TLWx6elh Ricardo Brazziell/Getty

President Barack Obama disembarks from Air Force One at Andrews Air Force Base after a trip to New Mexico, May 14, 2009. The White House

The press pool gathers under the wing of Air Force One, prior to President Barack Obama's departure from George Bush Intercontinental Airport, in Houston, Texas, Oct. 16, 2009. The White House

US President Barack Obama steps aboard Air Force One at JFK Airport in New York, September 25, 2012. Jason Reed/Reuters

Air Force One arrives with U.S. President Barack Obama onboard at the Beijing Capital International Airport on November 10, 2014 in Beijing, China. The White House

President Barack Obama arrives at Bagram Airfield in Afghanistan, March 28, 2010, after an all-night secret flight on Air Force One. The White House

President Barack Obama confers with aides aboard Air Force One en route to Singapore, Nov. 14, 2009. The White House

President Barack Obama is seen at a meeting with his staff April 5, 2009, aboard Air Force One on a flight from Prague, Czech Republic en route to Ankara, Turkey. The White House

President Barack Obama meets with his staff aboard Air Force One during the flight to Riyadh, Saudi Arabia, March 28, 2014. The White House

President Barack Obama looks out the window of Air Force One to view tornado damage before landing at Tinker Air Force Base in Oklahoma, May 26, 2013. The White House

President Barack Obama listens to Sen. Mark Warner, D-Va., aboard Air Force One during a flight to Norfolk, Va., July 13, 2012. The White House

President Barack Obama talks on the phone with French President François Hollande from aboard Air Force One, Jan. 7, 2015. The White House

President Barack Obama laughs with aides aboard Air Force One en route to Singapore, Nov. 14, 2009. The White House