http://www.newsweek.com/spacex-livestream-falcon-heavy-launch-arabsat-6a-satellite-1392027

After delays due to stormy weather, SpaceX’s Falcon Heavy —the most powerful rocket currently in operation—is set to launch from the Kennedy Space Center in Cape Canaveral, Florida, in what will be its first commercial mission.

According to the company, the primary launch window opens today at 6:35 p.m. EDT and closes at 8:32 p.m. EST.