Defense Secretary Leon E. Panetta and Joint Chiefs of Staff Chairman Adm. Mike Mullen confer while briefing the news media Tuesday on the end of the "don't ask, don't tell" policy. Mr. Panetta said repealing the ban on openly gay military service was a "historic day." (Associated Press)

Defense Secretary Leon E. Panetta and Joint Chiefs of Staff Chairman Adm. Mike Mullen confer while briefing the news media Tuesday on the end of the "don't ask, don't tell" policy. Mr. Panetta said repealing the ban on openly gay military service was a "historic day." (Associated Press)