Is there a short cut to find regimental HQ?

[Fred98]

Does such a short cut exist?

Press a key and all the units are removed from the map except for regimental HQ and above?

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[Arjuna]

Hit the "2" key to show HQ units only. There is a whole range of unit filter keys ( 1 to 0, -, =, [, ], \ ).

[MarkShot]

Not that I have observed.

I think your best options are:

(A) Use the HQ filter key and then look at the unit size and labels on the counter. Should be easy to spot.

or

(B) Select the map. Hit the up arrow key to select the map boss. Then, use the arrow keys to walk down the command tree to that HQ.

or

(C) Use the OOB display to just navigate directly to that unit.

I hope that helps.