The Defense Transportation Journal (DTJ) is the official publication of the National Defense Transportation Association (NDTA), a non-political, non-profit educational association. DTJ serves as the authoritative voice by educating and encouraging meaningful dialog among those who work in government, military and industry in logistics, transportation, travel, distribution, security, and related industries. The DTJ is published bi-monthly. Copyright NDTA, all rights reserved. Correspondence should be sent to 50 South Pickett Street, Suite 220, Alexandria, VA 22304.