Go into the cockpit of Air Force One with Colonel Mark Tillman. Security it so strict that many top-level White House staffers are not allowed inside this specially modified Boeing 747. Inside the plane is a plethora of technology and security to keep the most powerful man in the world safe. The security on board is only the beginning on the President's Central African tour. At each of his six stops, special measures are taken. Each airport must be upgraded to meet safety specifications. Armored limousines and helicopters are airlifted in for additional transport. Secret Service marksmen stand at the ready at each engagement. Even the plane's fuel is tested and secured. Every stop must be a "zero-fail" operation, everything must be perfect. See all the details that must be checked to ensure the President's safety. Go inside compartments that are rarely seen by the public. Take a ride aboard Air Force One.