The Grisha-class Evolution
There were various marks of the Grisha-class built. Original ships were under Project 1124.1 and these arrived from the period spanning 1970 to 1974 but all were given up by 1979. With the arrival of the Project 1124P ships, the first-run vessels were regarded as "Grisha I" models making the follow-up design "Grisha II" - a key change being the loss of the SA-N-4 missile launcher, this replaced by a second 57mm autocannon mounting. Some seventeen ships were built to the standard.
Then came the Project 1124M ("Grisha III") ships of the latter-1970s/early-1980s period. The mark was advanced through updated electronics as well as a 30mm autocannon fitting. Production totaled thirty-four vessels. Project 1124K yielded just one ship as a "Grisha IV". This was used as a testbed for the SA-N-9 (SA-15 "Gauntlet") surface-to-air missile platform. Thirty Project 1124ME and 1124.4 ships were then built to the newer Grisha V standard from 1985 until 1994. A single 76mm turreted deck gun now replaced the twin 57mm autocannon mountings to streamline the armament suite.
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