Great tribulation/persecution such as the world has ever seen and The pouring out of the vials/ Gods wrath, are two completely different things! False teachers have taught a lie. Even Kirk Cameron has admitted that the left behind series is incorrect and based on a theory that is no older than 250 years. The KJV has been in existence longer.
Know you Bible
Study to shew thyself approved, a workman need not be ashamed, rightly dividing the word of truth!
At the last Trump. The dead are raised first. Then those who are alive and remain. See the word spells out the exact order of things on the last day and the 3-1.5 years leading up to this about 15 times.