Evan Elliot of the Museum of Flight, Mike Douglass of the National Museum of the Air Force and Jim Goodall spent 14 hours taking the engine out of the Museum of Flight's D-21 from where it was hanging 25 feet in height. They managed this difficult and challenging task without a scratch to the M-21 Mother bird. Jerry Miller of Marquardt had previously provided the removal personnel with a blow by blow of how to remove the Marquardt MA20-S4. The burner can and exhaust ejector were reinstalled as they did not have contain any of the banned materials making the removal of the engine necessary.