Transportation by the most expeditious routing only for bona fide immediate family emergencies, as determined by DoDI 1327.06 and military service regulations. This travel privilege will not be used in lieu of funded travel entitlements. 

Emergency travel in connection with serious illness, death, or impending death of a member of the immediate family of the following:
- United States citizen, DoD Civilian Employees stationed overseas.
- Full-time, paid personnel of the American Red Cross serving with United States military services overseas.
- Uniformed service family members whose sponsors are stationed within the CONUS and the emergency exists overseas.
- Family members of United States citizen civilian employees of the DoD when both sponsor and dependents are stationed overseas at the same location.

Sponsors on environmental and morale leave and accompanied family members. DoD Dependent School teachers and their accompanied family members in EML status during school year holiday or vacation periods.

Members of the uniformed services in an ordinary or re-enlistment leave status.

Military personnel traveling on permissive temporary duty (TDY) orders for house hunting.

If the permissive TDY is for the purpose of permanent change of station house hunting, the member travels in Category III and can be accompanied by one family  member. 

Dependents of military members deployed for more than 365 consecutive days.

Bona fide family members (up to age 23 with a valid identification card) of a service member of the uniformed services when accompanied by their sponsor who is in  an ordinary leave status within overseas areas between overseas stations and air terminals in the CONUS.

This privilege does not apply to travel of dependents to or from a sponsor's restricted or unaccompanied tour location or to travel in a leave status to or from TDY  locations. It applies only to round-trip travel to an overseas area or the CONUS with the sponsor. DODI 4515.13 restricts use of these privileges to establish a home for  family members in an overseas area or the CONUS.

Foreign exchange service members on permanent duty with the DoD, when in a leave status.

Dependents of military members deployed for more than 30 consecutive days.

Unaccompanied family members (18 years or older) traveling on EML orders. Family members under 18 must be accompanied by an adult family member who is  traveling EML.

DoDDS teachers or family members (accompanied or unaccompanied) in an EML status during summer break.

Unaccompanied Command-sponsored dependents.

Students whose sponsor is stationed in Alaska or Hawaii.

Students enrolled in a trade school in the CONUS when the sponsor is stationed overseas.

Military personnel traveling on permissive TDY orders for other than house hunting.

National Guard/Reserve components/members of the Ready Reserve and members of the Standby Reserve who are on the Active Status List.

Retired military members who are issued DD Form 2 and eligible to receive retired or retainer pay.

Family members (with a valid identification card) of retired members when accompanied by a sponsor. 

Authorized veterans with a permanent service-connected disability rated as total or VA-100% Disabled Veteran.

Space-A eligible travelers may not use their privilege for personal gain or in connection with business enterprises or employment. Space-A travel may not be used to establish a home or when international or theater restrictions prohibit such travel.

Space-A seats are normally identified as early as 3-4 hours and as late as 30 minutes prior to departure. Recommend you check with the passenger service center for the space available show time for your flight prior to departing the terminal. Be ready for immediate processing and boarding.