NATO reporting name for SA series surface-to-air missiles, with Soviet designations or Chinese designations:
To differentiate Russian missiles from similarly named Chinese ones, RS prefix was added to the NATO reporting name. For example, SA-N-7 Gadfly became RS-SA-N-7.[1]
U.S. DoD designations for SA-N series naval surface-to-air missiles, with Soviet designations. Note that these are not standard NATO names, NATO uses the regular SA series for naval SAMS also, however the US DoD refers to them by these names: