Jack Salter, a NASA WB-57F Canberra crew chief, refuels the aircraft with JP8 fuel provided by 65th Logistics Readiness Squadron refueling truck. The NASA WB-57 provides unique, high-altitude airborne platforms to U.S. Government agencies, academic institutions, and commercial customers in order to support scientific research and advanced technology development and testing at locations around the world. (Photos by Lucas Silva) Crewmembers exit a WB-57F Canberra, owned by NASA, after landing at Lajes Field for a refueling mission on their way back to Ellington Field near the NASA Johnson Space Center in Houston, Texas, Dec. 3. There are only two fully operational WB-57 aircraft in the world. Both have been flying research missions since the early 1960's. (Photos by Lucas Silva) Francisco Augusto, 65th Operations Support Squadron Aerospace Ground Equipment, checks the Dash 60 Generator power output for the WB-57F Canberra while providing airplane power support Dec. 3. The WB-57 provides unique, high-altitude airborne platforms to U.S. government agencies, academic institutions, and commercial customers in order to support scientific research and advanced technology development and testing at locations around the world. (Photos by Lucas Silva) NASA's WB-57F Canberra crew chief, Jack Salter, refuels the aircraft with JP8 fuel provided by 65th Logistics Readiness Squadron refueling truck. The NASA WB-57 provides unique, high-altitude airborne platforms to U.S. Government agencies, academic institutions, and commercial customers in order to support scientific research and advanced technology development and testing at locations around the world. (Photos by Lucas Silva) A WB-57F Canberra lands at Lajes Field for a refueling mission on their way back to Ellington Field near the NASA Johnson Space Center in Houston, Texas, Dec. 3. There are only two fully operational WB-57 aircraft in the world. Both have been flying research missions since the early 1960's. (Photos by Lucas Silva) NASA's WB-57F Canberra crewmembers prepares the taxi way for the landing of the WB -57F at Lajes Field Dec. 3. The WB-57F visited for a refueling mission as it headed back to its home base at Ellington Field near the NASA Johnson Space Center in Houston, Texas, Dec. 3. There are only two fully operational WB-57 aircraft in the world. Both have been flying research missions since the early 1960's. (Photos by Lucas Silva) NASA's WB-57F Canberra refuels at Lajes by Lucas Silva 65th Air Base Wing Public Affairs 12/6/2012 - LAJES FIELD, Azores -- A WB-57F Canberra, owned by NASA, landed at Lajes Field for a refueling mission on its way back to Ellington Field near the NASA Johnson Space Center in Houston, Texas, Dec. 3. There are only two fully operational WB-57 aircraft in the world. Both have been flying research missions since the early 1960's. The NASA WB-57 provides unique, high-altitude airborne platforms to U.S. Government agencies, academic institutions, and commercial customers in order to support scientific research and advanced technology development and testing at locations around the world.