I’d suggest something like Hanwha is developing or BAEs AAV would be a more likely choice.
South Korea advances plan for next-generation amphibious assault vehicle
…..would be more likely as can be deployed from small amhibs, can self deploy moderate distances across water and carrys a gun so no need for a second support vehicle. In addition is a modern and armoured design with more protection than a Bronco. And might make up on some of the shortfall of IFVs …politics and all that you know….
While Hanwha and the ROK Marine Corps did not display a mockup of the KAAV-2 (Korean Amphibious Assault Vehicle-2) during ADEX 2021, a Marine Corps service member informed Naval News with the latest details on the program.
www.navalnews.com
But that said I can’t see anything this vehicle happening for the ADF, if at all, in less than a 5-8 year window.