 On September 21, 2010, John McCain led a successful (56 in favor, 43 opposed) filibuster against the debate on the Defense Authorization Act.On November 30, 2010, the Department of Defense's Comprehensive Review Working Group (CRWG) on DADT repeal issued its formal report outlining a path to the implementation of repeal of DADT.The report indicated that there was low risk of service disruptions because of repeal of the ban.