MIAMI BEACH, Florida, June 10 -- The U.S. Air Force McChord Air Force Base (62nd Airlift Wing) issued the following news: By Senior Airman Mikayla Heineck The roar of four turbofan engines fills the cargo bay and flight deck of a C-17 Globemaster III while it flies about 1,500 feet in the warm, clear skies above Miami Beach. Four experienced pilots are focused on staying safe while conducting an aerial demonstration for their audience on the sand and in the water below them, but it is not hard  more