Ok. This is a type of drop(since i love dropping). U need 3 transports, 12 marines, 4 medics, and 2 tanks. Scan your enemy's mining area. If there are no defenses there, Go for it. If it has a defense, drop the tanks a little b4 the defenses, and kill it if there is only a few. if there is a lot, drop the marines/medics with them. If there are only a few, and the tank killed it, drop the marines/medics into the mining area, and stim the marines. Then...the enemy is crippled for a while. then, do the tank/marine push from base.

CreepColony's Opinion: This is a nice, small drop you can do early in the game, before your opponent gets air defense.