Precision-Guided Munitions: Background and Issues for Congress
Precision-Guided Munitions: Background and Issues for Congress Updated June 11, 2021 Congressional Research Service https://crsreports.congress.gov R45996 SUMMARY R45996 Precision-Guided Munitions: Background and June 11, 2021 Issues for Congress John R. Hoehn Over the years, the U.S. military has become reliant on precision-guided munitions Analyst in Military (PGMs) to execute military operations. PGMs are used in ground, air, and naval Capabilities and Programs operations. Defined by the Department of Defense (DOD) as “[a] guided weapon intended to destroy a point target and minimize collateral damage,” PGMs can include air- and ship-launched missiles, multiple launched rockets, and guided bombs. These munitions typically use radio signals from the global positioning system (GPS), laser guidance, and inertial navigation systems (INS)—using gyroscopes—to improve a weapon’s accuracy to reportedly less than 3 meters (approximately 10 feet). Precision munitions were introduced to military operations during World War II; however, they first demonstrated their utility operationally during the Vietnam War and gained prominence in Operation Desert Storm in 1991. Since the 1990s, due in part to their ability to minimize collateral damage, PGMs have become critical components in U.S. operations, particularly in Afghanistan, Iraq, and Syria. The proliferation of anti-access/area denial (A2/AD) systems is likely to increase the operational utility of PGMs. In particular, peer competitors like China and Russia have developed sophisticated air defenses and anti-ship missiles that increase the risk to U.S. forces entering and operating in these regions. Using advanced guidance systems, PGMs can be launched at long ranges to attack an enemy without risking U.S.
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