It is 10 years since the war in Iraq began.
American troops led the invasion on 19 March 2003.
14 Welsh soldiers died in the conflict, among 179 British servicemen and women, before British forces left in April 2009.
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It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.
RAF veteran Andy Davies says the Royal British Legion helped him get back on his feet after problems with alcohol.