Activating this trainer:
If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Promo Options:
NumPad8: Unlimited Mission Timer

Trainer Options:
NumPad1: Unlimited Tank Health
NumPad2: Unlimited Tank Fuel
NumPad3: Unlimited Ammo
NumPad4: No Reload
NumPad5: Unlimited Crew Health
NumPad6: Fast Ability Action Cooldowns
NumPad7: Unlimited Command Points
NumPad8: Unlimited Mission Timer
NumPad9: Game Speed

Notes:

Unlimited Tank Health:
Toggle on to keep the overall hull of the tank intact.

Unlimited Tank Fuel:
Toggle on to keep the fuel of the tank full.

Unlimited Ammo:
Toggle on and most weapons the ammo will remain full.

No Reload:
Toggle on and many weapons can fire without reload.

Unlimited Crew Health:
Toggle on and the trainer will try to keep crew at 100% health.

Fast Ability Action Cooldowns:
Toggle on and most abilities when used will reset quickly to be used again.

Unlimited Command Points:
Toggle on and you have unlimited command points.

Unlimited Mission Timer:
Toggle on and the mission timer remains at 100%.

Game Speed:
Toggle on to speed up the action in the game.