"This is the only way I've seen that truly works for Ordos, no matter what mission it is.

1)send scouts to the for corners of the map. 2 should do since they are so fast.

2)gear up for defense and make sure your pop up turrets and gas launchers are within the same firing range. (Overlapping firezones are devastating.)

3)If you want a good offense, build up 6 cobras and 20 AA troops. The Cobras will pound everything if it´s on the ground and the AA troops will cover them in case there's aerial harassment.

(AAs Kick Advanced Carryall ass) Deploy 3, and move 3 and so on until you reach the heart of the enemy base.

4)Stay away from Eye in the Skies. They are tactically worthless and ridiculously expensive." - Kaneda

"In the later Atreides level, all you need to do is gradually build up a fleet of airplanes. I usually build 14 of them. Also build a few, not too many landing pads, and have a couple of repair vehicles ready to repair them when they come back from attacking. First attack the construction site and then the factory." - LS

"In Harkonnen missions which involve killing a large group of infantry (i.e kill the Sardaukar genral, destroy the Tleilaxu base) simply build a mid sized group of buzzsaws (5-10 should do) and run the group over to complete the objective in the first few minutes of the battle." - goatsucker