[Code of Federal Regulations] [Title 32, Volume 6] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 32CFR855.9] [Page 138] TITLE 32-NATIONAL DEFENSE CHAPTER VII--DEPARTMENT OF THE AIR FORCE PART 855_CIVIL AIRCRAFT USE OF UNITED STATES AIR FORCE AIRFIELDS --Table of Contents Subpart B_Civil Aircraft Landing Permits Sec. 855.9 Permit renewal. When a landing permit expires, DD Forms 2401 and 2400 must be resubmitted for continued use of Air Force airfields. Note: Corporations must resubmit the DD Form 2402 every five years.