 Two other WB-57Fs were transferred with the inactivation of the 58th WRS and eventually all those in NASA service were issued FAA civil registrations.They are designated the NASA High Altitude Research Project at the Johnson Space Center in Houston, Texas, and operate from Ellington Field JRB.Three of the four WB-57F aircraft used by NASA remain in operational service with registries expiring in 2021 or 2022, conducting a variety of civil tasks worldwide