[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: 32CFR1602.3] [Page 305] TITLE 32-NATIONAL DEFENSE CHAPTER XVI--SELECTIVE SERVICE SYSTEM PART 1602_DEFINITIONS--Table of Contents Sec. 1602.3 Aliens and nationals. (a) The term alien means any person who is not a citizen or national of the United States. (b) The term national of the United States means: (1) A citizen of the United States, or (2) A person, though not a citizen of the United States, who owes allegiance to the United States.