14 Del. Admin. Code § 706-2.0
The following words and terms, when used in this regulation, shall have the following meaning unless the context clearly indicates otherwise:
"Active Duty" means full-time duty in the active military service of the United States, to include, but not be limited to, full-time training duty, annual training duty, and attendance while in the active military service, at a school designated as a service school by law or by the Secretary of a military department.
"Armed Forces" means the following branches of the United States armed forces: Army, Air Force, Marine Corps, Navy, and Coast Guard; or National Guard of the State.
"Course of Professional or Vocational Training" means work leading to the attainment of a certificate, diploma or degree, and offered by a public or private, non-profit or proprietary institution as approved or accredited by an appropriate State agency or National/Regional organization. A person engaged in such course of instruction shall have been enrolled on a full-time basis, under regulations of the institution in effect at the time of attendance, and shall have completed the course of instruction in which enrolled, by continuous attendance, so as to complete the course of instruction on a scheduled date. Interruption of attendance may be occasioned only by reason of personal medical problems which militate against regular attendance or full-time military duty during war or other declared emergency.
14 Del. Admin. Code § 706-2.0