AN announcement on the future of the Black Watch and other army regiments - including the Duke of Wellingtons - will be made later this week, Downing Street confirmed.
Defence Secretary Geoff Hoon is expected to make a Commons statement, probably on Thursday, confirming details of the plans to cut the number of infantry battalions from 40 to 36.
That is expected to see single battalion regiments such as the Black Watch merged into other regiments, though they may keep their cap badges and identity within the new structure.
It is believed the 300-year-old Dukes, who recruit heavily in Huddersfield, will be merged with other Yorkshire regiments.
Hundreds of supporters have urged defence chiefs to let the Dukes keep their identity.
Prime Minister Tony Blair's official spokesman said today: "In terms of the regiments, I think it will be at the back end of this week.
"This will be based on a decision recommended by the military. But we have never hidden the fact that in the end this will be a decision that has gone to No 10 in the end.
"Of course, ministers and the Prime Minister will have to approve that decision but it will be one based on the recommendations of the army."
The move to slim down the number of battalions has provoked outcry from critics who claim their historic identities will be lost.
The Black Watch is expected to join other Scottish single battalion regiments in one new "Super Regiment".
The last planeload of its soldiers was due back home today after their latest tour of duty in Iraq's "triangle of death".