Perhaps instead of arming your ship to the teeth, you should put all that money into figuring out how to turn the enemy projectiles into giant floating coins.
I need more men, general!
I'll see what I can do... we have one tank available.
...sir... I'm afraid that won't be enough.
Oh don't worry, it's the good one.
I was wondering how to upgrade towers, then suddenly all my mounted guns flashed and got double barrels, and I noticed the xp bars (yeah, I skipped the tutorial :P)
Hehe! Thanks AgentRoop!