Currently, our options for U.S. versus Russian surface ships is rather limited, we basically only have one to two classes of cruiser, destroyer, carrier, and frigate each. I'd like to see an expanded list of ship types for us to include in our naval scenarios, particularly late cold-war scenarios. These include, but are not limited to:
Pegasus-class missile boats
Nanuchka-class missile boats
Garcia-class frigates
Knox-class frigates
Krivak-class frigates
Adams-class destroyers, early and late variants
Kidd-class destroyers
Gearing-class destroyers, both WWII era and with FRAM upgrade kits
Kanin-class destroyers
Kashin-class destroyers
Udaloy-class destroyers
Sovremenny-class destroyers
Iowa-class battleships, both WWII era and post-modernization
Virginia-class missile cruisers
Belknap-class missile cruisers
Galveston-class missile cruisers
Kara-class missile cruisers
Kresta-class missile cruisers
Kynda-class missile cruisers
Moskva-class helicopter carriers
Kiev-class aircraft carriers
Sverdlov-class light cruisers
In addition to the above, I'd like to some more hypothetical naval units in DCS, ships that were drafted and considered for construction, but for one reason or another, were never actually built. Stuff like the Soviet Project 1153/1160 Orel, for example, which would've been the first true blue water aircraft carrier in Soviet service, had it come to fruition as envisioned.