Updated: Air Force Developing Solar Powered, Hydrogen Fuel-Cell Blimp
The Pentagon will spend $400 million to develop solar-charged, hydrogen fuel cell blimp which will reach an altitude of 65,000 feet and remain airborne for 10 years.
The Pentagon will spend $400 million to develop solar-charged, hydrogen fuel cell blimp which will reach an altitude of 65,000 feet and remain airborne for 10 years.
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