This set is in 1/700 scale. The individual Guided Bombs have their own rails to attach to the under side of an aircraft's wing. The Guided Bombs should be cut from the sprue just behind rear tail fins.
According to Wikipedia: "The GBU-27 Paveway III (Guided Bomb Unit) is a laser-guided bomb with bunker buster capabilities, it is a GBU-24 Paveway III (fitted on the warhead of the BLU-109 bomb body) that has been redesigned to be used by the F-117A Nighthawk stealth ground attack aircraft. The pilots flying over Iraq during the first gulf war nicknamed it the "Hammer", for its considerable destructive power and blast radius."