I would add:
- realistic subunit AI for the company and maybe battalion level.
- realistic simulation of projectiles (missiles specifically)
- realistic automated control system simulation (TacFire, IADS)
- redone armory/reinforcement mechanic to work with company/platoon level units.

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We need more missilez code for the missilez god.
Praslovan:
"Tactical Ikalugin inbound on this position in 10... 9..."

It will be simulator for army use. Normal average player can't play this.

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Hitler's reaction on Ultimate patch

Some of those features are already in games such as Ahtung Panzer, Lock On, MWM for WiC.

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We need more missilez code for the missilez god.
Praslovan:
"Tactical Ikalugin inbound on this position in 10... 9..."

Uhm, here are some things I would like to suggest:

1. Display a visibility radius when hovering over a unit with "display information" activated, as well as differential range radiuses for the various weaponry a unit might have, like R.U.S.E. has.
2. Unit behaviour toggles, like "pull away and fire at the same time", "close in to engage" or "engage while stationary", a designate "FOB" for supply units and helicopters with an added "resupply at designated FOB" command.
3. Artillery pre-sighting. While in range of a recon unit, a volley of artillery shots on an area will make any subsequent targeting on the same area faster.
4.Wildfire (or what should I call it) should have an effect on units passing through it, maybe a destructive effect for unarmored units.
5. Atgm strikes on a stationary target that has remained stationary since the first lock on should be subject to corrected fire when fired upon by the same unit. Also, recon units could be able to track and correct fire solutions for a selected target for all allied vehicles situated in grid proximity.
6. Maybe enable a form of fast movement (limited of course) for small country roads, not just highways.

For some reason there havent been any fully realistic RTS games out there unlike in flight simulators and tactical ones like arma. If such a game the forsaid features is releasesd it will be the first of its kind.

let me add some of my ideas:
realistic troop capacity for different APCs, IFVs, helos,etc.
fireports enabling loaded infantry to fire from vehicles that have them
scud weapons(nonnuclear)
airburst option for arty
NBC systems taken into account
caoxial and AA MGs to be differentiated
realistic ROF(ranging up to 5000rpm for \certain gatlings)
static AA positions
option for infantry to ride on the back of tanks(if the doctrine permits)
option for adjusting shell spread for arty
sniper teams and LMGs in squads
mine sweeping
ability to set up trenches and barricades
more ideas coming soon...

The ability to create "packages" of units that can be called out instead of singular units
It adds an extra tab in the deployment menu called packages that deploys user created preset builds of units
would allow you to create modules of certain units you can add whatever units you like to the package and then can call it in during or before the battle for example you could have an AA package which contains 2 marder roland 2s and 2 pivads or something like that so you could quickly set up your army depending on your map and opponent

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Peace through Superior Firepower

That would be rather bulky and inflexible. It is also made mostly redundant by the ability to use the shift key to deploy multiple instances of a unit.

Hotkeys for deploy menu navigation would be nice though. Maybe press and hold Alt and then navigate the menu with [1-7](for unit class)+[1-5](for unit)+[1-9](for variant)+[1-5](for experience) and repetition of the last key to deploy multiple units in a group. To go backwards in the menu press § (or watever key you have left of the 1). To close the menu release the alt-button . A small visual number would also be nice to have on each menu option to make learning easier.

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I would love a "no supplies" gamemode. It's easiest done by giving everything infinite fuel and removing all supply units (and the free FOB) from decks. It'd be nice to think about the value of a target and whether it's worth it to kill it.

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Wargame: Disco Edition

http://i.imgur.com/KwSCdxW.png

It will be good, if accuracy of T-72 line increase... Now T-72 almost pointless tank, not worth its points... T-55 or T-62 are cheaper, and T-64 or T-80 are more effective. T-72 line is almost worthless now... So decreasing of costs or increasing accuracy on 2 or 3 points will be good...
Also it will be good to see more adequate armoring of tanks... T-64 have better armor than T-72, because T-72 was "cheaper, easer to use but worse stats tank" than T-64... Also, will be good to see T-72B with ERA...

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Sorry for bad English... I'm from small country near Russia, so English is not my native language.