10United States Code [EB/OL],Tifle 10 - Armed Forces, Subtitle A-General Military Law,Part III- Training and Education, Chapter 107 - Professional Military Education, Sec. 2151. Definitions.From the U.S.Code Online via GPO Access, wais.access.gpo.gov, http://www.law.cornell.du/us- code/html/uscodel0/usc_sup_01 10_10_A_20_I . html, 2011-09-08.