DOD taps Elon Musk, Palmer Luckey, and former House Speaker Newt Gingrich for Project Meridian, a 120-day study of capabilities the US may need in future wars (Luke Fountain/CNBC)

The U.S. Department of Defense has enlisted Elon Musk, Palmer Luckey, and former House Speaker Newt Gingrich to lead Project Meridian, a 120-day study. The project will assess emerging military capabilities the U.S. may require in future conflicts, focusing on technology, strategy, and readiness.