A new US military recruit walks into the lobby of the Military Entrance Processing Station at Fort Hamilton in the Brooklyn borough of New York City in April. President Barack Obama promised gay and lesbian activists he will repeal a ban on gays in the US military, rebuking complaints he has not honored his promises to fight for equal rights.(AFP/Getty Images/File/Chris Hondros)AP – President Barack Obama restated his campaign pledge to allow homosexual men and women to serve openly in the military, but left many in his audience of gay activists wondering when he would make good on the promise.