Sergeant First Class JD Berentis, with the U.S. Army Golden Knights Parachute Team, free-falls over Lake Michigan and Marquette Park during the team's performance in the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. Berentis is the leader for the group's Gold Demonstration Team. | Guy Rhodes~For Sun-Times Media

(From right) Josh Sichterman of Cedar Lake, Ind., leads Marcus Sichterman, 5, and Anthony Toigo, 5, along the Lake Michigan shore as Pilots Jack Knutson (left) in an Extra 300 and Rob Holland in an MX2 perform during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

Spectators watch the U.S. Air Force Thunderbirds during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

The U.S. Air Force Thunderbirds take their F-16 Fighting Falcons through a formation loop during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

Wing-walker Tony Kazian waves to the crowd atop pilot Dave Dacy's Super Steerman biplane during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

Ethan Puckett (right), 9, of La Porte, Ind., buries his brother Carter Pickett, 13, in the sand during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

Pilot Matt Chapman performs maneuvers in his Eagle 580 during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

(From left) Jameir Ruffin, along with his son also named Jameir Ruffin, 4, and wife LaTisha Ruffin of Gary, Ind., watch the Aerostars Formation Aerobatic Team perform a loop in Romanian-built Yak-52TW aircraft during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

The Aerostars Formation Aerobatic Team fly Romanian-built Yak-52TW aircraft in formation during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media

The U.S. Air Force Thunderbirds fly their F-16 Fighting Falcons in a diamond formation during the Gary South Shore Air Show held at Marquette Beach in Gary, Ind., Sunday, July 8, 2012. | Guy Rhodes~For Sun-Times Media