The Standard Missile Two became operational in the late 1970s and was deployed operationally with the Aegis Combat System in 1983 . Both Standard one and two were used against both surface and air targets during Operation Praying Mantis . On July 3 , 1988 , mistakenly shot down Iran Air Flight 655 , an Airbus A300B2 , using two SM-2MR missiles from her forward launcher . In 1988 the Iranian '' Kaman '' - class missile boat '' Joshan '' was disabled by RIM-66 Standard missiles during Operation Praying Mantis
Iran Air Flight 655
Iran Air Flight 655
RIM-66 Standard