The P-15 missile family and their clones were widely deployed from the 1960s.
They were big and powerful weapons, but quite cheap and so made in the thousands.
It is difficult even to list all the operators.

The German Navy, after reunification, gave its stock of almost 200 P-15s to the United States Navy in 1991, these weapons being mainly the P-15M/P-22.
They were used for missile defence tests.
The P-15 missile family and their clones were widely deployed from the 1960s. They were big and powerful weapons, but quite cheap and so made in the thousands. It is difficult even to list all the operators.
The German Navy, after reunification, gave its stock of almost 200 P-15s to the United States Navy in 1991, these weapons being mainly the P-15M/P-22. They were used for missile defence tests.
P-15 Termit