It will happen in a moment, in the blinking of an eye, when the last trumpet is blown. For when the trumpet sounds, the Christians who have died will be raised with transformed bodies. And then we who are living will be transformed so that we will never die.
References for 1 Corinthians 15:52
For our perishable earthly bodies must be transformed into heavenly bodies that will never die.
When this happens -- when our perishable earthly bodies have been transformed into heavenly bodies that will never die -- then at last the Scriptures will come true: "Death is swallowed up in victory.
References for 1 Corinthians 15:54
O death, where is your victory? O death, where is your sting?"
References for 1 Corinthians 15:55
For sin is the sting that results in death, and the law gives sin its power.
How we thank God, who gives us victory over sin and death through Jesus Christ our Lord!
So, my dear brothers and sisters, be strong and steady, always enthusiastic about the Lord's work, for you know that nothing you do for the Lord is ever useless.