Missile diagrams representative, not to scale.
Standard Missile-3 (SM-3)
The SM-3 is a ship-launched missile designed to intercept short and medium-range ballistic missiles.
Terminal High-Altitude Area Defense (THAAD)
Launched from an Army truck, THAAD interceptors are the last line of defense against short and medium-range ballistic missiles.
Ground-Based Interceptor (GBI)
Launched from an underground silo, the GBI is meant to ram the warhead of ballistic missiles outside earth’s atmosphere.
A surplus Army missile, Lance is used to test interceptors designed to shoot down short-range missiles.
The Hera theater defense missile is used to test THAAD and PAC-3 missile defenses.
Launch Vehicle-2 (LV-2)
The LV-2 ballistic target simulates long-range incoming enemy missiles.
Sources: Government Accountability Office, Defense Technical Information Center, Missile Defense Agency