What does JOA stand for?

ATM Boats Inc., Brownsville, TX - Manufacturer code for watercraft hull identification number (USCG)

Jacksonville Operating Area - Military

Joha - NCIC firearms make code (NCIC)

Joint Objective Agreement (SAUS)

Joint Objective Area (NVT)

Joint Oceanographic Assembly - Marine science (MSC)

Joint Operating Agency (SAUO)

Joint Operating Agreement

Joint Operations Area (COE)