An MK-46 exercise torpedo is launched from the US Navy spruance class destroyer, USS MOOSBRUGGER (DD 980), homeported in Mayport, Flordia, during phase two of UNITAS 37-96, off the coast of Brazil. The annual UNITAS Operation involves combined tactical at-sea operations, Amphibious Operations, and in port exercises with participating South American Forces. UNITAS is an annual operation in which a US Navy task group conduct combined exercises with participating navies. The task group for UNITAS 37-96 include the frigate USS JOHN L. HALL (FFG 32) (not shown), tank landing ship USS LA MOURE COUNTY (LST 1194) (not shown) and the attack submarine USS NARWHAL (SSN 671) (not shown)