What does ATHS stand for?

Airborne Target Hand-off System (SAUS)

Airborne Target Handover System - Military (DOMA)

American Truck Historical Society (EA)

Astringedent Topical Hemostatic Solution - Medicine (MELL)

Athletes - Telegraphy (PCTE)

Automatic Target Handoff System - Air Force (DOMA)

Automatic Target Handover System - Army