Strela (Russian: Стрела, arrow) is a Russian orbital carrier rocket, derived from the Soviet/Russian UR-100NU missile. It conducted its maiden test launch on 5 December 2003, and its first functioning payload on 27 June 2013, and its second functioning payload on 19 December 2014.It was originally planned to be launched from the Svobodny Cosmodrome, with test launches being conducted from existing UR-100 silos at the Baikonur Cosmodrome.