Sirena Availability, Why?

[JG14_Jagr]

Sirena was first installed in Mig15's in April and May of 1953.  2 Months before the Armistice was signed.  By that time the war was essentially over and the UN was flying F84F fighters.  Seems odd that its even an option given its minimal use during the war.

[LukeFF]

No, it saw service in Korea beginning in October 1952: https://forum.il2-series.com/topic/4498-sirena-alert-system-for-the-mig-15bis-radar-warning-receiver-for-the-anapg-30-radar/#comment-29879