Thousands of people cheered troops as they paraded through Plymouth to mark the start of Armed Forces Day.
David Cameron and the Earl of Wessex attended the national event which supports British troops around the world.
There was a parade of about 1,200 service personnel, veterans and cadets on Plymouth Hoe.
Plymouth is the headquarters of 3 Commando Brigade.
The city council plans to close a number of roads for the fourth UK Armed Forces Day.
This year's national Armed Forces Day celebrations will be held in Plymouth. The Armed Forces Day flag was presented to The Mayor of Plymouth by members of the Armed forces. It was flown in by helicopter this morning. The event will take place on June 30th.
A ceremony is taking place on Plymouth Hoe today to mark the city leading a national event to celebrate the armed forces.
Armed Forces Day takes place on June 30th