High-altitude long-endurance hydrogen-powered ISR demonstrator with a 150-ft wingspan, designed to stay aloft up to four days at 65,000 ft. First flew June 2012; remained a demonstrator.
| Country | United States |
|---|---|
| Subcategory | Fixed-wing |
| Subtype | HALE UAV |
| Role | High-altitude persistent ISR demonstrator |
| Class | HALE |
| Classification | Group 5 (HALE) |
| Mission | ISR, Communications relay |
| Notable partners | Boeing Phantom Works |
| Operators | United States (demonstrator) |
| Frame type | Fixed-wing |
| Propulsion | Piston |
| Wingspan (m) | 45.7 |
| Combat-proven | No |
| Export status | Not exported |
| Launch method | Runway |
| Autonomy level | Autonomous |
| Endurance (min) | 5760 |
| Recovery method | Runway |
| Year introduced | 2012 |
| Max payload (kg) | 204 |
| Production status | Cancelled / demonstrator only |
| Service ceiling (m) | 19812 |