@CNN: SpaceX is scheduled to launch its new rocket this afternoon from Kennedy Space Center in Florida. #FalconHeavy will be the most powerful rocket in use today. Here’s how some of the biggest US rockets — of the past, present, and future — stack up. https://t.co/S1V4qesXtA https://t.co/GmxwOVPRSt

@CNN: SpaceX is scheduled to launch its new rocket this afternoon from Kennedy Space Center in Florida. #FalconHeavy will be the most powerful rocket in use today.

Here’s how some of the biggest US rockets — of the past, present, and future — stack up. https://t.co/S1V4qesXtA https://t.co/GmxwOVPRSt