But although there are likely to be shots today, none will be fired in anger.

For the show of aggression is part of a rehearsal embodiment, which began at 7 p.m. last night and will end late this afternoon.

Residents and traffic in the Warwick and Southampton areas have been warned of troop movements by road between Warwick Camp and the US Naval Annex today.

The Regiment's Capt. David Gibbons said there would also be pyrotechnics and possible rifle firing this afternoon at the Annex.