In this courtroom drawing, David Coleman Headley faces U.S. District Court Judge Harry Leinenweber on March 18 in Chicago. Headley pleaded guilty to using his Western appearance as a cover while scoping out sites for the deadly 2008 Mumbai siege and plotting to kill a Danish cartoonist. Carol Renaud/AFP/Getty Images hide caption

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U.S. Secretary of Defense Robert Gates (left) announced the changes to "don't ask, don't tell" Thursday during a Pentagon news conference with Adm. Michael Mullen, chairman of the Joint Chiefs of Staff. Alex Wong/Getty Images hide caption

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U.S. Army Capt. Tejdeep Singh Rattan, wearing a turban, stands with other graduates as they sing "The Army Goes Rolling Along" during a U.S. Army officer basic training graduation ceremony at Fort Sam Houston in San Antonio on Monday. Darren Abate/AP hide caption

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Pugil stick training at Fort Jackson in Columbia, S.C., is part of the Army's overhauled basic training program. Brett Flashnick/AP hide caption

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