It is the scenario in which FNU invades the desert territory on Micronesia and you get copters with troops to deflect them.
On easy it's peace of cake but on medium it's impossible! I tried it like 7 times and didn't get close! I once had a bunker left but since it couldn't move I couldn't kill the enemy transport! If anyone has a replay or some tips I'd be interested.

You should destroy transport of FNU with all troops at the beginning.
After it, you should load your Ostrich again and moveout it (place behind your guerillas).

I'll try that, thanks. By the way, I looked at some of your replays, very professional.

Tiger is a Tiger