Simplify the following text for a Grade 8 native English-speaking person.
Original: The rockets will be launched from the Plesetsk Cosmodrome , and the currently under construction Vostochny Cosmodrome , both in Russia . Russia hopes to reduce its dependency on Kazakhstan for the use of the Baikonur Cosmodrome , the location from which many of the current generation of Russian rockets are launched .
Simplified: Many of Russia 's current rockets can only be launched from Baikonour Cosmodrome in Kazakshtan .