22 July 2011 Updated at 16:44 ET
DADT: Obama certifies gay military ban repeal
Campaign groups had fought for years for the end of the "don't ask, don't tell" ban on gay troops
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Stopped from serving for being gay
US President Barack has announced the ban on openly gay people serving in US military is to end on September 20.
link-
http://www.bbc.co.uk/news/world-us-canada-14245144