Yes, TACAN as in air navigation beacon, plus radar, EW, ELINT, comms, helipad and local defence on top of a steep-sided mountain.
'Lima 85' guided airstrikes in North Vietnam to such effect that a small (3 officers & 31 men plus 9 man reserve plus comms/crypto unit)PAVN sapper force underwent 9 months training to assault it.
See:
http://limasite85.us/index.html
Exhaustive PAVN AAR/OOB & Map in the above at:
http://limasite85.us/do_chi_ben.htm#_ftn8
It is very rare to get an After Action Report broken down to individual weaponry, especially for North Vietnam!
I think I can 'tweak' things without making it impossible. I will post/link it here when finished.
I know 'Steel Panthers' should be all about AFVs, but the ability to customise allows these small, intense actions to be replicated with at least some degree of accuracy.