Pathfinder-Plus on a flight in 1998 over Hawaiian waters.
EC98-44629-53
Pathfinder-Plus on a flight in 1998 over Hawaiian waters. Essentially a transitional vehicle between the Pathfinder and the follow-on solar wings, the Pathfinder-Plus was a hybrid of the technology that was employed on Pathfinder and developed for Centurion/Helios.17 Jun 1998NASA Photo / Nick Galante› Pathfinder-Plus Project Description