Which famous brand collaboration produced the iconic P-51 Mustang fighter aircraft of World War II?

Throughout history, military equipment manufacturers have formed strategic brand collaborations that shaped warfare outcomes and national defense capabilities. These partnerships often resulted in innovative weapons systems, vehicles, and technologies that defined military eras. This trivia question explores one such famous collaboration that produced an iconic battlefield instrument that remains recognizable worldwide.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

North American Aviation and Rolls-Royce
Boeing and Pratt & Whitney
Lockheed Martin and General Electric
Grumman and Allison Engine Company