Add Yahoo as a preferred source to see more of our stories on Google. The head of Canada's military space division says the country "should absolutely be" concerned about Russia's potential capabilities amid global fears the Kremlin is considering putting nuclear weapons in place to target satellites.

There is growing worry among European defense officials that Russia's activities in space are blurring the lines between intelligence gathering and active interference, with concerns about potential disruptions in geospatial orbit.

Add Yahoo as a preferred source to see more of our stories on Google. President Trump has said he wants to create a national missile system, which he's called the "Golden Dome for America," to protect the U.