The Irish Guards will become the first British army regiment to enter a club into the GAA.
At this month's county board, London GAA narrowly voted in favour of admitting the new team, with chairman Noel Sullivan's casting vote proving decisive after voting had been level at 15-15.
The move has come about after Irish Guards relocated from Aldershot to West London and the county board's admission to allow them means they can enter into next year's championship at junior level.
Between 1897 and 2001, Rule 21 of the GAA barred members of the British security forces from participating in Gaelic Games.
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