Two quotes from an NYT article on how smoothly it has been for Britain to allow gays to openly serve.
Since the British military began allowing homosexuals to serve in the armed forces in 2000, none of its fears — about harassment, discord, blackmail, bullying or an erosion of unit cohesion or military effectiveness — have come to pass, according to the Ministry of Defense, current and former members of the services and academics specializing in the military. The biggest news about the policy, they say, is that there is no news. It has for the most part become a nonissue.and
“I find it strange, coming from the land of the free and freedom of speech and democracy, given the changes in the world attitude,” said the [British] gay squadron leader, who recently returned from Afghanistan. “It’s just not the issue it used to be.”LINK