The U.S. Air Force Thunderbirds use their smoke trails to form the beginnings of a heart in the sky at the 2015 Minnesota Air Spectacular in Mankato, Minnesota.
The U.S. Air Force Thunderbirds use their smoke trails to form the bottom of a heart in the sky at the 2015 Minnesota Air Spectacular in Mankato, Minnesota.
The USAF Thunderbirds demonstrate the meaning of perfection as they soar past the crowd in a picture-perfect formation at the 2015 Minnesota Air Spectacular in Mankato, Minnesota.