Russia, China taking space into dangerous territory, US says

FILE - In this video grab provided by RU-RTR Russian television via AP on March 1, 2018, a computer simulation shows the a hypersonic vehicle being released from booster rockets high above the Earth's orbit.

Russia and China are edging ever closer to unleashing space-based weapons, a decision that could have far-reaching implications for America’s ability to defend itself, U.S. military and intelligence agencies warn.