Star Trek: Armada 2 Cheats

Invincibility
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "rts_cfg.h" file in the game directory. Change the values for the following lines to "0.0" so they resemble:

float EASY_DAMAGE = 0.0;
float HARD_DAMAGE = 0.0;
Begin game play under the easy or hard difficulty setting to have shields that cannot be harmed by normal weapons.

Better transporters
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "rts_cfg.h" file in the game directory. Change the value in the "TRANSPORTER_MAX = 5" line to a higher number to transport more people.

Faster transporters
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "rts_cfg.h" file in the game directory. Change the value in the "float TRANSPORTER_DELAY" entry to "0.0" (or "0.1").

Better resources
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "rts_cfg.h" file in the game directory. Change the following settings under the "// resource gathering parameters" to change the corresponding resource.

Edit the "int cfgMaxDilithium" value to change the maximum amount Dilithium that can be mined.
Edit the "int cfgMaxOfficers" value to change the maximum amount of officers.
Edit the "int cfgMaxCrew" value to change the maximum number of crew members.
Edit the "int cfgStartingDilithium" to change the initial amount of Dilithium available.
Edit the "int cfgStartingCrew" to change the initial number of crew members.

Cheat
I found out that if you use the "computer override" on a galaxy class starship, and then immediately seperate the saucer and after that re-intergrate it, it stays in your control, also the computer override works on the species 8472 mother, and lasts longer than it takes to build a passive embryo... (thanks: The C.O)