NEWARK (CBSNewYork) – Someone put a pin in this bad idea.

TSA agents detected a hand grenade in a checked bag at Newark Liberty International Airport Wednesday.

The grenade “was an actual grenade that had been made inert,” according to the TSA.

The passenger who brought the grenade with him told the TSA agents he was on the way to military training.

“Perhaps train guys not to pack grenades!” TSA spokesperson Lisa Farbstein wrote on Twitter.