Original Verse:
1st Thessalonians Chapter 4 Verse 17then we who are alive, who are left, will be caught up together with them in the clouds, to meet the Lord in the air. So we will be with the Lord forever.

Reference Verses:
1st Corinthians Chapter 15 Verse 52in a moment, in the twinkling of an eye, at the last trumpet. For the trumpet will sound, and the dead will be raised incorruptible, and we will be changed.
2nd Corinthians Chapter 12 Verse 2I know a man in Christ, fourteen years ago (whether in the body, I don't know, or whether out of the body, I don't know; God knows), such a one caught up into the third heaven.
2nd Corinthians Chapter 12 Verse 4how he was caught up into Paradise, and heard unspeakable words, which it is not lawful for a man to utter.