A senior US military official said in the magazine the idea was great and Incat chairman Robert Clifford said he was proposing the idea to the RAN.
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US Force Transition deputy director John Garstka said: "If Australia and the US wanted to collaborate on this, it would be great."
Incat spokesman Justin Merrigan said the concept was being developed.
"It is something we have in concept design," he said.
"It's something that has actually caught the eye of the military.
"But at this stage, it's just in the concept planning and we are talking to the military here and in the US."
The US military is becoming more mobile and the navy wants more versatility from ships.
It is trying to move away from big ships to smaller, more general purpose ones.
Incat will next month hand over its second ship, called the Swift, to the US Navy and receive the first ship, the Joint Venture, back for maintenance.
The 98m Swift will be officially named in Hobart on August 12 and the Joint Venture is expected in port two days later.
Since leaving Hobart in September 2001, Joint Venture has been involved in exercises and experiments around the world for the US Army and the US Navy.