Kat in the hat scores half-century as a politician

Bob Katter has spent five decades as a politician in the Queensland and federal parliaments. (Lukas Coch/AAP PHOTOS)

A missile shield across northern Australia and training school kids in how to use rifles are just a couple of Bob Katter's policy ideas that may never see the light of day.

The renegade veteran MP is celebrating 50 consecutive years in public office.