The 1973 Israeli raid on Lebanon (known as Operation Spring of Youth, part of Operation Wrath of God) took place on the night of April 9 and early morning of April 10, 1973, when Israel Defense Forces special forces units attacked several Palestine Liberation Organization (PLO) targets in Beirut and Sidon, Lebanon.The operation is generally considered to be part of the retaliation for the Munich massacre at the Summer Olympics in 1972.The Israeli troops arrived at the Lebanese beaches in speedboats launched from missile boats offshore.