CFR > Title 14 - Aeronautics and Space > CHAPTER III—COMMERCIAL SPACE TRANSPORTATION, FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—LICENSING (parts 411 to 461) > PART 435—REENTRY OF A REENTRY VEHICLE OTHER THAN A REUSABLE LAUNCH VEHICLE (RLV) > SUBPART F—Environmental Review (§435.61 to §435.62-435.70) > 435.61—General.