Flags are to be raised in Scotland to support past and present members of the Armed Forces and their families.
The flag-raising begins a week of celebrations - involving more than 200 events across the UK - which will finish with the Armed Forces Day on Saturday.
The City Chambers in Glasgow and Edinburgh will be presented with ceremonial flags to display for the week.
In the capital the flag will be piped down the Royal Mile and presented to Lord Provost Donald Wilson by Colonel Martin Gibson OBE, the chairman of Veterans Scotland.
In Glasgow, Lord Provost Sadie Docherty will be joined by entrepreneur Michelle Mone to raise the flag in George Square.
Mrs Docherty said: "Every year Glasgow puts on a great show and we are always delighted to welcome veterans, cadets, servicemen and women to our city for a day of celebration. This is the fourth year Armed Forces Day has taken place and it not only allows us the opportunity to raise awareness of the armed forces and the important role they play but to also celebrate the honour, pride and courage of those who are - and who have - served for their country."
Events will be taking place across the UK and the flag will also hang at bases in Afghanistan.
Chief of the Defence Staff Sir David Richards said it was an opportunity for the nation to show support for the Armed Forces. "Flying the Flag is an excellent way to show your support, demonstrating how much we care for our servicemen and women, past and present, who continue to rise to the very difficult challenge of defending this country and our interests," Sir David said.
Marches are planned in Edinburgh, Glasgow and Aberdeen, as well as many towns throughout the country, on Saturday.
A parade will also be held in Dundee, where the 1st Battalion Scots Guards will receive the freedom of the city.
