This definition appears very rarely
Chapter 1606 - Selected Reserve, Chapter 35 - Survivors and Dependents, or Chapter 30 - Active Duty but not scheduled for release before June 30) and still not be a veteran for financial aid purposes. A member of the National Guard or Reserves who served on active duty for purposes other than training might not have a DD214. In that case a letter from a superior officer that documents the call-up to active duty and which indicates that the character of service was anything but dishonorable is sufficient. The student's "Original Orders" might be informative, especially if it indicates a call to "involuntary active duty". If a DD214 is available, it should indicate that the student was called to active duty in accordance with Title 10 of the US Code and the "Type of Separation" should indicate something other than "active duty.