Enter "FRAMPAGE" for the password and you will be given a light armoured fighter plane. The plane has better handling.
05---"IMAGO" | 13---"ARGUS" | 21--"SOCKIN"
09-"TIBURON" | 17--"MARTEN" | 25-"GANNPAU"
There is a tank placed on one of the islands. Hover over the tank and press 'H'. You can now pick up the tank and drop it in one of the danger zones and it will blast the enemy while you take the money and run.