Always a dilemma if you're organising a milsim event that has waterborne operation component, you'll have to worry about boats to go with it. So that means your vehicle problem gets bigger, you need the wheeled ones for the land-based ops, and of course the boats such as a Zodiac, or resembling one. With the Gibbs Humdinga High Speed Amphibian, your problem gets easier, you can use it on land and on water. The Polaris is a good vehicle to use, but cannot go on water.

"The Humdinga is a rugged high speed Amphitruck, bringing new meaning to ‘off-road.’

Like all High Speed Amphibians capable of road use, the Humdinga is capable of speeds in excess of 30 mph on water and highway speeds on land. It also has the ability to transition between the two modes in seconds at the push of a button. The Humdinga can carry up to seven individuals or equivalent cargo, making it effective in first responder situations where seconds gained can turn a recovery into a rescue. It also has off road capability that enables missions, be it rescue or supply, to be completed quickly and efficiently."