“The Russian Federation has been promoting the defense capabilities of the S-300PMU [SA-10] in the foreign markets; and in 1994 admitted that the S-300PMU had low-spectrum capabilities ranging from defense against stealth aircraft and cruise missiles to ICBMs.
One variant has been credited with a 0.9 kill factor against ballistic-missiles.”
http://www.newsmax.com/articles/?a=2000/4/24/53247
In the manufacturer's promotional literature. I'd love to see the test results. Oh, this was a paper study?