MIM-23 Hawk

MIM-23 Hawk is an American medium-range surface-to-air missile system. Developed in the 1950s by Raytheon for the United States Army, it was designed to engage high-speed, medium-altitude aircraft. The system saw extensive service with the U.S. Armed Forces and numerous allied nations, forming a cornerstone of NATO air defense for decades.

Development and design

The program originated from a 1952 U.S. Army requirement to replace its aging MIM-3 Nike Ajax systems with a more mobile weapon. Under prime contractor Raytheon, development began at the company's facilities in Andover, Massachusetts. The system's name, "Hawk", is a backronym for "Homing All the Way Killer". Its design centered on a semi-active radar homing guidance system, where a ground-based Continuous-wave radar illuminates the target for the missile to track. Key components included the AN/MPQ-35 acquisition radar and the AN/MPQ-34 High Power Illuminator radar. The missile itself was powered by a Thiokol solid-propellant rocket motor and featured a lethal blast-fragmentation warhead.

Operational history

The system entered service with the U.S. Army in 1960, with the first operational unit deployed to Germany. It was subsequently adopted by the United States Marine Corps and numerous allied nations, including Israel, Japan, and several European members of NATO. The Hawk saw its first combat use during the Vietnam War, where it was deployed to protect key bases like Da Nang Air Base. It achieved significant success in the Yom Kippur War, where Israeli Air Defense Command units shot down numerous Syrian Air Force and Egyptian Air Force aircraft. Further combat occurred during the Iran–Iraq War and the Gulf War. The system was continuously upgraded, but was eventually phased out of U.S. service in 2002, replaced by the MIM-104 Patriot.

Variants

The system underwent several major upgrade programs throughout its life. The basic **MIM-23A** was followed by the improved **MIM-23B** in 1971, which featured a larger warhead and improved motor. The **Improved Hawk** or I-Hawk program in the 1970s introduced new radars like the AN/MPQ-46 and AN/MPQ-48, and improved resistance to electronic countermeasures. Subsequent product improvement programs (PIP) included Phase I, II, and III, enhancing capabilities against low-altitude and high-speed targets. The final U.S. upgrade was the **Hawk XXI** in the 1990s. Other nations developed their own variants, such as the Spanish **MIM-23E** and the Swedish **Rb 70**.

Operators

The system was one of the most widely exported air defense weapons of the Cold War era. Major operators included the United States Army, the United States Marine Corps, and the air forces of many allied nations. In Europe, operators included Germany, France, Italy, the Netherlands, Spain, and Greece. It was also used extensively in the Middle East by Israel, Egypt, Saudi Arabia, Iran, and Kuwait. In Asia, significant operators were Japan, South Korea, and Taiwan. Many countries have since retired the system, though some, like Egypt and Morocco, maintain upgraded versions in service.

Specifications

The MIM-23B missile is approximately 5.08 meters (16.7 ft) long, with a body diameter of 0.37 meters (1.21 ft) and a fin span of 1.19 meters (3.9 ft). It weighs about 627 kg (1,382 lb) at launch. Propelled by a dual-thrust solid-propellant rocket motor, it can reach speeds of approximately Mach 2.4. The missile's effective engagement range evolved from about 25 km (16 mi) for early models to over 40 km (25 mi) for later variants, with an engagement altitude ceiling up to 13,700 meters (45,000 ft). It is armed with a 54 kg (119 lb) blast-fragmentation warhead triggered by a proximity fuze. The complete firing unit typically consists of a command post, acquisition radar, illuminator radar, and three launchers each holding three missiles.

Category:Surface-to-air missiles of the United States Category:Cold War surface-to-air missiles Category:Raytheon