the Puma has some serious issues with high CG and deck motion
The Puma has always had that problem. It was addressed with the single wheel main undercarriage in 1978. That can take an incredible amount of punishment and is stressed to 8 m/s ground impact without further investigation. The 'Puma Mk2' will be the only surviving version of the Puma in service with anybody with the six-wheel undercarriage. What will and has resulted by not fitting the later system is a complete waste of time and money.