What does OBT stand for?

Obadiah Boat Works, Mobile, AL - Manufacturer code for watercraft hull identification number (USCG)

Obedient

Obiit - He, or She, Died - Latin

Observer Training - Army

Obtain - Motor vehicle violation code used in state of Maryland (MVRD)

Office of Building Technologies (SAUS)

Officers Basic Training (ACAE)

On-Board Trainer - Navy (CAAL)

One Billion Trees program (SAUS)

Oriental Bank & Trust - NYSE symbol

Overseas Branch Transfer (AD)

Sisters Oblates to the Blessed Trinity (TOCD)

Obedient (AD)

Obtained (STED)