Boeing said on Thursday it hired former Northrop Grumman executive Colin Miller to head its Phantom Works research arm within the company's defense business unit.

What is Boeing's Phantom Works divsion? Phantom Works, famous for developing, among other products, a fuel cell demonstrator airplane, the Bird of Prey low observable concept,

Boeing has poached an executive from defense rival Northrop Grumman to run its Phantom Works division, which oversees research efforts for its Pentagon business and is involved in bidding for U.S. government projects.