skos:altLabel | - Helios
- Pathfinder
- AeroVironment Pathfinder
- AeroVironment Pathfinder Plus
- HALSOL
- HALSOL/Pathfinder
- NASA Centurion
- NASA Helios Prototype
- NASA Pathfinder and Pathfinder Plus
- NASA Pathfinder, Pathfinder Plus
- NASA Pathfinder-Plus
- NASA's Pathfinder, Pathfinder Plus
- Pathfinder Plus
- Pathfinder and Pathfinder-Plus
- Pathfinder/Helios
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