 SR units detect, identify, and locate targets to be engaged by lethal or nonlethal attack systems under the control of higher headquarters.SR also provides information on weather, obscuring factors such as terrain masking and camouflage, friendly or civilian presence in the target area, and other information that will be needed in targeting by independent attack systems.During Operation Desert Storm, the US senior commanders, Colin Powell and Norman Schwarzkopf were opposed to using ground troops to search for Iraqi mobile SCUD launchers.