JS1421: An Outline and Description of Flight Test and Analysis to Demonstrate the E-6A Avionics Upgrade Aircraft Meets the Flying Qualities Requirements of Addendum 128 to MIL-D 8708B (AS), 1990-07-13, Box: 16, Folder: 16. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766948 Accessed June 15, 2026.