Russia Will Stop Building Their 53-Year-Old Workhorse Proton Rockets And It's Partially Elon Musk's Fault

The Russian Proton rocket, the Soviet Union’s and then Russia’s primary medium-lift workhorse rocket, is finally being discontinued after a remarkable 53-year run. A Proton rocket launched the very first space station ever into orbit (and every Soviet and Russian one since). A combination of highly toxic fuels, a…