And, invading Grenada a few days afterwards, after Bernard Coard, the Stalinist in the NJM leadership assasinated Maurice Bishop, accelerating the political crisis, giving Reagan the last pretext/opening to invade. (Ramsey Clark, btw, defending Coard, in court later)
On Lebanon, and the heavy bombardment by US battle ships, the preceded the Hizbollah bomb that killed the 280 or so Marines, see from Pluto Press, "Seeds of Hate: How America's Flawed Middle East Policy Ignited the Jihad, " by Lawrence Pintak.