Photo slideshow: All 48 California 2012 Olympic gold medalists

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Kerri Walsh Jennings (L) and Misty May-Treanor of the United States celebrates winning the Gold medal in the Women's Beach Volleyball Gold medal match against the United States on Day 12 of the London 2012 Olympic Games at the Horse Guard's Parade on August 8, 2012 in London, England.

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Megan Rapino congratulates Alex Morgan #13 after scoring during the Women's soccer first round Group G Match of the London 2012 Olympic Games between United States and France, at Hampden Park on July 25, 2012 in Glasgow, Scotland.

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Tyson Chandler of the US dunks during the London 2012 Olympic Games men's gold medal basketball game between USA and Spain at the North Greenwich Arena in London on August 12, 2012.

Jessica Steffens, left with her sister Maggie Steffens of the United States pose for the cameras after winning their women's water polo gold medal match against Spain at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London.

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Kelley O'Hara during the Women's soccer gold medal match on Day 13 of the London 2012 Olympic Games at Wembley Stadium on August 9, 2012 in London, England.

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Diana Taurasi during the Women's Basketball Preliminary Round match on Day 5 of the London 2012 Olympic Games at Basketball Arena on August 1, 2012 in London, England.

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U.S. swimmer Rebecca Soni shows off her gold medal after the podium ceremony for the women's 200m breaststroke final swimming event at the London 2012 Olympic Games on August 2, 2012 in London.

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Abby Wambach heads the ball during the Women's soccer gold medal match on Day 13 of the London 2012 Olympic Games at Wembley Stadium on August 9, 2012 in London, England.

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Russell Westbrook during the Men's Basketball gold medal game on Day 16 of the London 2012 Olympics Games at North Greenwich Arena on August 12, 2012 in London, England.

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Lauren Wenger during the Women's Water Polo Preliminary match between Spain and China on Day 3 of the London 2012 Olympic Games at Water Polo Arena on July 30, 2012 in London, England.

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Brenda Villa poses for a portrait during the 2012 Team USA Media Summit on May 15, 2012 in Dallas, Texas.

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Amy Rodriguez #8 of United States in action during the international friendly match between United States and Brazil at Fukuda Denshi Arena on April 3, 2012 in Chiba, Japan.

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Melissa Seidemann during the Women's Water Polo Preliminary match between Spain and China on Day 3 of the London 2012 Olympic Games at Water Polo Arena on July 30, 2012 in London, England.

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Alex Morgan during the Women's soccer Semi Final match between Canada and USA, on Day 10 of the London 2012 Olympic Games at Old Trafford on August 6, 2012 in Manchester, England.

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James Harden #12 of the United States celebrates winning the Men's Basketball gold medal game between the United States and Spain on Day 16 of the London 2012 Olympics Games at North Greenwich Arena on August 12, 2012 in London.

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Kelly Rulon during the Women's Water Polo Preliminary match between Spain and China on Day 3 of the London 2012 Olympic Games at Water Polo Arena on July 30, 2012 in London, England.

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David McKienzie #16 of United States serves the ball to Germany during Men's Volleyball on Day 4 of the London 2012 Olympic Games at Earls Court on July 31, 2012 in London, England.

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Heather Petri of the United States looks to pass during their game against China on Day 7 of the London 2012 Olympic Games at Water Polo Arena on August 3, 2012 in London, England.

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Courtney Mathewson #7 of United States celebrates winning the Women's Water Polo Gold Medal match between the United States and Spain on Day 13 of the London 2012 Olympic Games at the Water Polo Arena on August 9, 2012.

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U.S. Olympian Betsey Armstrong visits the USA House at the Royal College of Art on August 11, 2012 in London, England.

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Elsie Windes of the USA in action agains Spain on Day 5 of the London 2012 Olympics at Water Polo Arena on August 1, 2012 in London.

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Nicole Barnhart of USA during the Women's Football first round Group G match between the United States and DPR Korea,on Day 4 of the London 2012 Olympic Games at Old Trafford on July 31, 2012 in Manchester, England.

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Shannon Boxx of USA kicks the ball during the Women's soccer first round Group G Match of the London 2012 Olympic Games between United States and France at Hampden Park on July 25, 2012 in Glasgow, Scotland.

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Annika Dries from the USA Water Polo Team takes time out in London with her team-mates ahead of their Olympic test event this week to visit underprivileged UK children in Brixton as part of the US Olympic Team's 'Thank You Britain' campaign on May 1, 2012 in London.

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Sydney Leroux of the United States looks on during the Women's Football Quarter Final match between United States and New Zealand, on Day 7 of the London 2012 Olympic Games at St James' Park on August 3, 2012 in Newcastle upon Tyne, England.

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Water polo player Kami Craig poses for a portrait during the USOC Portrait Shoot at Smashbox West Hollywood on November 18, 2011 in West Hollywood.

Shooter, Kim Rhode, smiles as she celebrates yet another victory in the Olympics.

Carmelita Jeter, left, Allyson Felix, center, and Sanya Richards-Ross celebrate making the Olympic team after the women's 200 meters at the U.S. Olympic Track and Field Trials Saturday, June 30, 2012, in Eugene, Ore.

Jeneba Tarmoh catching her breath after a strenuous race.

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Alyson Felix competes for gold.

US' Keshia Baker (L) and US' Francena Mccorory compete in the women's 4 x 400m relay heats at the athletics event of the London 2012 Olympic Games on August 10, 2012 in London.

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Tyler Clary dives in the men's 400-meter individual medley preliminaries at the U.S. Olympic swimming trials, Monday, June 25, 2012, in Omaha, Neb.

United States swim team members, from left, Conor Dwyer, Michael Phelps, Ryan Lochte, and Ricky Berens pose with their gold medals after their win in the men's 4 x 200-meter freestyle relay at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012.

Jessica Hardy, of the United States, kisses the gold medal she won in the women's 50m Breaststroke final at the FINA Swimming World Championships in Shanghai, China. After missing the 2008 Olympics because of a failed drug test, no one is more eager to shine on the big stage than Hardy.

Nathan Adrian swims his way to an Olympic gold victory.

Dana Vollmer and the rest of the United States' Women's swim team celebrate a gold victory.

Eric Shanteau prepares for his race by stretching.

Alyssa Anderson smiles as she awaits the results of her race.

Rachel Buehler is slides to get the ball in her soccer match. Yet another Olympic gold winner from California.

U.S. rowers Mary Whipple, Caryn Davies, Caroline Lind, Eleanor Logan, Meghan Musnicki, Taylor Ritzel, Esther Lofgren, Zsuzsanna Francia, and Erin Cafaro celebrate after winning the gold medal for the women's rowing eight in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012.

Kyla Ross competes in the floor exercise event during the women's senior division at the U.S. gymnastics championships on Sunday, June 10, 2012, in St. Louis.

United States' Candace Parker bites her gold medal after beating France during the women's gold medal basketball game at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London.

Kobe Bryant and Chris Paul celebrate another victory at the 2012 Olympics.