Tourist Map, Magazine Critical to Grenada Raid

Early on the morning of Oct. 23, 1983, a truck bomb detonated beside the U.S. Marine barracks at Lebanon's Beirut International Airport, killing 241 American servicemen. That evening President Ronald Reagan gave his final approval for Operation Urgent Fury— the American invasion not of Lebanon but of Grenada.
Two battalions of elite U.S. Army Rangers had received a warning order days before and were already preparing to assault the Caribbean island. But at Fort Bragg, N.C., the 82nd Airborne Division, which would supply most of the invasion force, was caught by surprise.