http://www.societaitalianastoriamili...-June-1989.pdf
Here's an example:
Soviet Air Assault Brigade
Bde HQ (3 inf SAM)
2 Assault Bn (each with 34 BMD, 8 120mm Mortar, 6 AGS-17, 9 SPG-9, 9 inf-SAM)
2 Parachute Bn (each with 500 troops, 6 inf-ATGM, 8 120mm Mortar, 6 AGS-17, 9 SPG-9, 9 inf-SAM)
Recon Company (4 BRDM-2)
Artillery Battalion (18 D-30)
Air Defense Company (6 ZU-23, 6 inf-SAM)
Not all these formations need to be present on the map, nor do they have to be complete. The Airborne company/companies can for instance be mostly leg infantry (less transports needed to drop infantry than both the infantry and their BMDs).
(I ignored the BM-21 of the artillery bn as I doubt they can be dropped with parachute. I'm not so sure about the BRDM-2s, but maybe they were able to drop them with parachutes.)
You decide the strength of the Soviets - the drop might have gone wrong, maybe it went perfectly. Maybe they have other more important operations where resources are allocated, this could be a feint - maybe this is the crucial operation. The Soviet objecive is however the airfield.
Do not worry about playbalance - this setup allows for totally loopsided affairs.