another great idea slipknot !
what do you think of adding some sharks? after 30 minutes or so of paddling around they start to surround your raft, if you have wasted all your .45 ammo on planes your defenceless whilst they bite a big hole on the raft you get submerged and the Jaws theme plays and they rip your body apart piece by piece.
We'll send the traumitised indivaduals to your office for some couch time.