Medical Advanced Technology Management Office. Medical Advanced Technology Management Office, part of U.S. Army Medical Research and Materiel Command at Fort Detrick, Maryland. This is the staff office responsible for day-to-day operation of the DOD Telemedicine Test Bed and includes work on projects such as ProMed, T-Med, and the Telemedicine Validation Initiative. This office is now called the Telemedicine Research Lab (TRL).