[13][14] Strela was originally planned to be launched from the Svobodny Cosmodrome, with test launches being conducted from existing UR-100 silos at the Baikonur Cosmodrome.
It is unclear whether a Strela launch complex will be incorporated into the Vostochny Cosmodrome, which is being built on the site of Svobodny.
[citation needed] Strela differs from the Rockot, which is also derived from the UR-100, in that it has undergone fewer modifications, such as the absence of an additional Briz-KM upper stage, as used on the Rockot.
However it is equipped with a repurposed APB as upper stage, which was originally a maneuvrable warhead "bus" from MIRV system of UR-100 missile.
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