This is a start:
When Defense Secretary Robert Gates and Michael Mullen, the chairman of the Joint of Chiefs of Staff, testify before Congress today, they are expected to announce a series of first steps in the direction of preparing the military for the integration of gays and lesbians. According to an administration official, the most visible of those steps will be to revise the rule that allows third parties -- other soldiers or outside accusers -- to "out" soldiers and precipitate investigations that lead to their dismissal. Basically: if someone else outs you, you won't be dismissed. It's not clear what percentage of Don't Ask, Don't Tell dismissals would be effected by this revision.
More details at the link.