DARPA Pursues Hybrid-Electric Stealth Cycle March 16, 2015/Client: DARPA /by spireco1 spireco1 https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.png spireco12015-03-16 07:33:202015-03-16 07:33:20DARPA Pursues Hybrid-Electric Stealth Cycle