SpaceX is no stranger to launch delays. Bad weather or technical concerns are typically the most common reasons to halt a rocket launch. However, the most recent SpaceX launch was canceled for a rather unique reason. SpaceX was forced to abort the rocket takeoff just 33 seconds before launch because a cruise ship was sailing into the designated

Source: Hot Hardware – What Happened When SpaceX Was Forced To Abort Its Rocket Launch Seconds Before Liftoff