Lockheed AC-130 Gunship

• AC-130A serial no. 54–1623, called "Ghost Rider," served in Southeast Asia and other conflicts
• As of 2023, AC-130 gunships have proudly served as a vital source of close air support
• However, AFSOC eventually ruled out the idea in 2024 after the project was delayed for several years.

The Lockheed AC-130 gunship is a highly advanced, heavily armed, and long-endurance variant of the C-130 Hercules transport aircraft, specifically designed for ground-attack missions. Distinguished by its unique configuration, the AC-130 carries an extensive array of sophisticated ground-attack weapons, including cannons, machine guns, and precision-guided munitions, all integrated with advanced sensors, navigation systems, and fire-control technology. 

One of the defining features of the AC-130 is its large profile and low operational altitude, typically around 7,000 feet (approximately 2,100 meters). This makes it an easy target for enemy fire, necessitating its close air support missions to be conducted during nighttime hours when visibility is reduced and the risk of detection is lower.

The airframe of the AC-130 is manufactured by Lockheed Martin, a leader in aerospace technology, while Boeing is tasked with converting the C-130 into a specialised gunship and providing ongoing aircraft support services. The AC-130's development dates to the Vietnam War and was initiated under "Project Gunship II”.

The AC-130 performs various critical missions, including providing close air support to ground troops engaged in combat, escorting military convoys through hostile areas, and conducting urban combat operations in densely populated environments.

The AC-130J variants are primarily stationed at Hurlburt Field in Florida and Cannon Air Force Base in New Mexico. From these bases, AC-130 gunships can be rapidly deployed worldwide to support U.S. military operations. The squadrons operating the AC-130 are integral components of the Air Force Special Operations Command (AFSOC), which is under the umbrella of the United States Special Operations Command. 

Design

The AC-130 gunship is characterised by its unpressurized cabin, with its formidable weaponry strategically mounted to fire from the port side of the fuselage. During attack missions, the gunship executes a manoeuvre known as a pylon turn, which involves flying in a wide circular path around its target. This technique allows for sustained fire on the target for an extended duration, significantly longer than what is possible with typical strafing attacks.

The AC-130H Spectre variant is equipped with a robust array of armaments, including two 20 mm M61 Vulcan cannons, one L/60 Bofors 40 mm cannon, and an M137 105 mm cannon, utilising a recoil mechanism derived from the M102 howitzer. Following 1994, the Spectre underwent modifications that included the removal of the two 20 mm cannons and transitioning to a new configuration.

The improved model, the AC-130U Spooky, features a more powerful 25 mm GAU-12 Equaliser cannon that replaces the previous 20 mm cannons. Alongside this enhanced firepower, the Spooky is equipped with an advanced fire-control system that optimises targeting accuracy and an increased ammunition capacity, allowing for prolonged engagement without the need for immediate resupply.

The latest variant, the AC-130J, is based on the MC-130J Commando II, a specialised tanker designed for special operations, which enhances the AC-130's capabilities even further. 

However, AFSOC decided to cancel the implementation of these new cannons across its fleet. The decision was influenced by challenges related to the Bushmaster’s accuracy during testing operations, particularly at the higher altitudes at which the AC-130s were typically deployed. 

In 2010, the United States Air Force awarded L-3 Communications a contract valued at $61 million (approximately $83.2 million in 2023) to equip eight MC-130W Combat Spear special-mission aircraft with precision strike packages. These modified aircraft, referred to as Dragon Spears, were designed to alleviate the operational demands on AC-130 gunships until the introduction of the new AC-130Js. The designation of the MC-130W Dragon Spear was changed to AC-130W Stinger II in 2011. 

The AC-130J Ghostrider emerged from a 2011 initiative aimed at procuring sixteen new gunships based on newly constructed MC-130J Commando II special operations tankers, which would be outfitted with a "precision strike package" to endow them with attack capabilities. This initiative requested $1.6 billion in funding over the fiscal years 2011 through 2015 and sought to expand the gunship fleet to thirty-three aircraft, resulting in a net increase of eight aircraft following the planned retirement of eight ageing AC-130Hs. 

The AC-130J was intended to follow the development path of the Dragon Spear program. On January 9, 2013, the Air Force commenced the conversion of the first MC-130J into an AC-130J. The initial delivery of the AC-130J to the Air Force Special Operations Command (AFSOC) occurred on July 29, 2015. The first AC-130J gunships achieved initial operational capability (IOC) on September 30, 2017. The Air Force decided to add a 105 mm cannon to the AC-130J in addition to the existing 30 mm cannon and smart bombs. 

However, AFSOC eventually ruled out the idea in 2024 after the project was delayed for several years. The assessment indicated that mounting a laser on the side of the aircraft would cause significant air turbulence, disrupting the beam's effectiveness. Although the laser weapon integration on the Lockheed AC-130 proved unsuccessful, Lockheed has been exploring concepts for integrating a laser module system onto the F-35 Joint Strike Fighter. 

These UAVs, referred to as Tactical Off-board Sensors (TOBS), would be expendable and follow a programmed orbit to verify targets that the aircraft cannot visually identify due to adverse weather conditions. 

Future

As of 2023, AC-130 gunships have proudly served as a vital source of close air support for special operations forces for an impressive span of 56 years. These versatile aircraft have remained relevant in the ever-evolving landscape of modern warfare through a series of continuous upgrades, enhancing their weaponry, sophisticated sensor systems, and advanced countermeasures. 

In response to these evolving threats, AFSOC is actively evaluating a range of enhancements to the AC-130J variant to bolster its effectiveness against sophisticated opponents. These contemplated modifications may include the removal of the traditional 105mm cannon, along with the integration of innovative small cruise missiles, an Active Electronically Scanned Array (AESA) radar system, and significant upgrades to adaptive mission networking capabilities. In a noteworthy development in 2025, it was disclosed that the aircraft successfully executed launch tests for the Black Arrow, commonly known as the Small Cruise Missile (SCL), utilising its innovative Ramp Launch Tubes, thereby marking a significant step forward in aerial combat capabilities.

Aircraft on display

One of the first seven AC-130A aircraft sent to Vietnam was AF serial no. 53–3129, called First Lady, in November 1970. This aircraft was modified from the first production C-130. On March 25, 1971, it was hit by anti-aircraft fire while flying over the Ho Chi Minh trail in Laos. A 37 mm shell struck below the crew deck but narrowly missed two crew members. The pilot managed to safely crash-land the aircraft. In 1975, after the Vietnam War ended, it was transferred to the Air Force Reserve. There, it served with the 711th Special Operations Squadron of the 919th Special Operations Wing. In 1980, it was upgraded from three-bladed to quieter four-bladed propellers. It was eventually retired in late 1995. This marked the end of the AC-130A service in the Air Force Reserve. The aircraft is now on display at the Air Force Armament Museum at Eglin Air Force Base, Florida.

A second aircraft, AF serial no. 56–0509, named the Ultimate End, was accepted as a C-130A by the Air Force on February 28, 1957, and modified to the AC-130A configuration on July 27, 1970. It participated in the Vietnam War and helped rescue the SS Mayaguez. Ultimate End survived five hits from 37 mm anti-aircraft fire on December 12, 1970, suffered extensive wing damage on April 12, 1971, and was hit by a 57 mm round that injured a crew member on March 4, 1972. Ultimate End was reassigned to the 919th Special Operations Wing at Eglin AFB Auxiliary Field No.3 on June 17, 1975, and served until it was retired in the fall of 1994. It was then moved to Air Force Special Operations Command's Heritage Air Park at Hurlburt Field, Florida.

A third AC-130A, AF serial no. 54–1630 is displayed in the Cold War Gallery at the National Museum of the United States Air Force at Wright-Patterson AFB, Ohio. It was named Azrael, the angel of death from Islamic tradition. Azrael played a significant role during the final hours of Operation Desert Storm. Azrael, also part of the 919th Special Operations Wing, was retired to the museum in October 1995.

Another AC-130A, AF serial no. 54–1626, known as "Gunship II," is displayed outdoors at the National Museum of the United States Air Force. This aircraft served in Southeast Asia from 1967 to 1972 and later in a JC-130A test configuration. It was transferred to the National Museum in 1976 and returned to AC-130A configuration in the late 1990s.

AC-130A serial no. 54–1623, called "Ghost Rider," served in Southeast Asia and other conflicts until its retirement in 1997 to Dobbins AFB, Georgia. Ghost Rider is now displayed at the Aviation Wing Museum in Marietta, Georgia.

AC-130A serial no. 55–0014, named "Jaws of Death," started as a C-130A cargo aircraft before being modified to an AC-130A in 1970. It was deployed in Southeast Asia from 1971 to 1975 and took part in Operation Desert Storm in 1991 as part of Joint Task Force Proven Force. It was retired in 1995 and flown to Robins Air Force Base, Georgia, where it is displayed at the Museum of Aviation in Warner Robins.

AC-130H serial no. 69-6575, called "Wicked Wanda," is displayed at the airpark at Hurlburt Field, Florida. 

Specifications (AC-130)

AC-130U Spooky

Data from USAF AC-130U Fact Sheet,[2] AC-130J Fact Sheet [4]

General characteristics

    Crew: seven

        Officers: 4 (Two Pilots, Two Combat Systems Officers)

        Enlisted: 3 (Special Mission Aviators)

    Length: 97 ft 9 in (29.79 m)

    Wingspan: 132 ft 7 in (40.41 m)

    Height: 38 ft 6 in (11.73 m)

    Wing area: 1,745.5 sq ft (162.16 m2)

    Max takeoff weight: 155,000 lb (70,307 kg)

    Powerplant: 4 × Allison T56-A-15 turboprop engine, 4,300 shp (3,200 kW) each (AC-130U)

    Powerplant: 4 × Rolls-Royce AE 2100D3, 4,700 shp (3,500 kW) each (AC-130J)

    Propellers: 6-bladed Dowty R391 featuring ARA-D/A airfoils

Performance

    Maximum speed: 362 kn (416 mph, 669 km/h)

    Service ceiling: 39,000 ft (12,000 m)

Armament

AC-130A Project Gunship II (retired)

    4 × 7.62 mm GAU-2/A miniguns

    4 × 20 mm (0.787 in) M61 Vulcan 6-barrel rotary cannon

AC-130A Surprise Package, Pave Pronto, AC-130E Pave Spectre (retired)

    2× 7.62 mm GAU-2/A miniguns

    2× 20 mm M61 Vulcan cannon

    2× 40 mm (1.58 in) L/60 Bofors cannon