The Small Diameter Bomb (SDB) is a new satellite-guide bomb. The F-22 and F-35 take as many as eight such bombs in the weapons bay. The kit includes the GBU-39 and GBU-53 for your choice. The GBU-54 Laser JDAM is a new weapon first used in 2010. It can attack moving ground targets. It has both the advantages of satellite-guided and laser-guide bombs.