US military personnel, US citizen civilian employees of the Department of Defense, and the dependents of both categories who travel in connection with the death of an immediate family member. It also applies to designated escorts for dependents of deceased military members. Furthermore, the term is used to designate the personal property shipment of a deceased member.
BLUE BARK
Meaning of BLUE BARK in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012