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RQ-170 “Sentinel”

July 16, 2012 by John M. Guilfoil

A photo that the New York Times published, showing the RQ-170
A photo that the New York Times published, showing the RQ-170

For something that we’re not necessarily supposed to know much about, the RQ-170 has gotten a ton of headlines.

It is the drone that was captured by Iran in December 2011. While U.S. defense department officials stalled in their response, the government eventually admitted to “losing” an RQ-170 in the same region as Iran claimed to have captured one, virtually in tact.

We know one thing for sure about the “Sentinel” unmanned aerial drone, the U.S. government says it was used in gather intelligence before the raid that killed Osama bin Laden in May 2011. In an article describing the little-known “National Geospatial-Intelligence Agency,” The Atlantic reported that the agency analyzed data “from a sophisticated next-generation drone that kept watch on the compound before, during, and after the raid. The drone was an RQ-170 built by Lockheed Martin.”

Officially, according to the U.S. Air Force factsheet, the RQ-170 “is a low observable unmanned aircraft system (UAS) being developed, tested and fielded by the Air Force.” Its mission is to “provide surveillance and reconnaissance to locate targets.”

The Air Force acknowledges only that the RQ-170 is flown by the 432nd Wing at Creech Air Force Base, Nev., and the 30th Reconnaissance Squadron at Tonopah Test Range, Nev. Tonopah was the home of the F-117 stealth attack jet when its very existence was secret. Lockheed Martin’s Skunk Works, the same outfit that built the F-117, also developed the “Sentinel.”

In fact, the 30th Squadron is a unit of the 432nd Operations Group under the 432nd Air Expeditionary Wing.

The 432nd Wing has flown the “Sentinel” since 2007. The Air Force has not updated its factsheet since December 2010, but a lot has happened since then.

The U.S. has not released any official photos of the tailless flying wing. A drone was sighted at Kandahar International Airport in late 2007, which the Air Force confirmed was a RQ-170.

In the months prior to Iran’s capture of an RQ-170, as reported by the New York Times, the drone was used to conduct flights over Iran as “part of an increasingly aggressive intelligence collection program,” possibly to keep tabs on its nuclear ambitions.

A screen grab from Iranian state TV on December 8, 2011 showing the RQ-170 displayed at an undisclosed location. Slogans on banner read in Farsi "Death to America, death to Israel, death to England."
A screen grab from Iranian state TV on December 8, 2011 showing the RQ-170 displayed at an undisclosed location. Slogans on banner read in Farsi “Death to America, death to Israel, death to England.”

On Dec. 4, 2011, Iran claimed its Army electronic warfare unit downed a drone that had violated its airspace along the eastern border. The U.S. claimed the drone was flying over western Afghanistan when contact was lost. The U.S. changed its course the next day, admitting that the drone was being used by the Central Intelligence Agency to conduct secret missions.

Iran released footage of a mostly in-tact RQ-170 on Dec. 8. Defense analysts, looking at the barely damaged aircraft, concluded that it had not suffered engine failure or been shot down by a missile or small arms fire. This left open the possibility that Iran was able to hack the controls and electronically capture the RQ-170.

“Either this was a cyber/electronic warfare attack system that brought the system down or it was a glitch in the command-and-control system,” said Dan Goure, an analyst at the Lexington Institute in Arlington, Va., in an Air Force Times interview.

Goure compared the capture to the Soviet Union’s downing of a U2 spy plane in 1960.

Subterfuge?

Most surprising was the fact that the CIA-operated drone was not equipped with a self-destruct device. From a technology standpoint, it is slightly less likely, however, that the CIA believed the stealth drone could not be hacked or electronically captured by Iran as it is that the CIA simply allowed a Trojan horse to be dropped on its adversary. The west has long had an electronic advantage over Iran, and Iranian computers have been utterly bullied by hackers for years.

In May 2012, Russian computer security firm Kaspersky Lab claimed that the Flame virus, which wreaked havoc on Iranian and other countries’ computer systems, issued a claim that the virus was part of an Israeli campaign of cyber warfare against Iran, perhaps its biggest enemy and threat. Israel, a close American ally, has been successful in the past, with experts stating that the Stuxnet computer worm causing 20 percent of Iran’s nuclear centrifuges to spin out of control until they self-destructed, was a similar attack. Stuxnet was one in a series of setbacks for Iran’s nuclear program going back to the 1990s.

There is no official information available about what, if anything, Iran learned from the RQ-170. Russian and Chinese officials have also visited Iran to look the drone over.

Specifications

General

Crew: Unmanned
Length: 14-15 ft (estimated)
Wingsman: 39-40 ft (estimated) (Aviation Week estimated 65 feet in 2009)
Height: 6 ft (estimated)
Empty weight: Unknown
Engine: Unknown

Performance

No data available.

Armament

None.

Air Cache submitted, on July 16, 2012, a request under the Freedom of Information Act for information, specifications, and official photographs of the RQ-170. The request was denied, citing the classified status of the project.

Essential Reading

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Online Resources:

  • U.S. Air Force Official Factsheet
  • Wikipedia — Not recommended as a primary source due to the controversy surrounding the program
  • Aviation Week — First reporting of the RQ-170’s existence in 2009

Photo Gallery

A screen grab from Iranian state TV on December 8, 2011 showing the RQ-170 displayed at an undisclosed location. Slogans on banner read in Farsi "Death to America, death to Israel, death to England."
A screen grab from Iranian state TV on December 8, 2011 showing the RQ-170 displayed at an undisclosed location. Slogans on banner read in Farsi “Death to America, death to Israel, death to England.”
A photo run by Aviation Week in 2009, which the U.S. government confirmed was an RQ-170 "Sentinel"
A photo run by Aviation Week in 2009, which the U.S. government confirmed was an RQ-170 “Sentinel”
A photo that the New York Times published, showing the RQ-170
A photo that the New York Times published, showing the RQ-170
Photo of the RQ-170 on display in Iran
Photo of the RQ-170 on display in Iran
RQ-170 captured by Iran, shown on state media
RQ-170 captured by Iran, shown on state media
An artist's rentering of the RQ-170 (Media credit/Truthdowser via Wikipedia)
An artist’s rentering of the RQ-170 (Media credit/Truthdowser via Wikipedia)

Filed Under: 1990-Present, Military, UAV, USA Tagged With: drone, iran, Lockheed Martin, Osama bin Laden, RQ-170, Sentinel, Skunk Works, uav, unmanned aerial vehicle

AIM-54 “Phoenix”

July 13, 2012 by John M. Guilfoil

An AIM-54A on an F-14
An AIM-54A on an F-14
The AIM-54 “Phoenix” was the only American active radar-guided long-range air-to-air missile ever developed. Some details remain classified decades later, but one fact remains and will forever shadow the legacy of an otherwise monumental piece of technology: it never hit a target in combat, and the only missiles ever fired in anger by American fighters either failed or missed the target.

Initial development of the “Phoenix” started during the height of the Cold War. In the era of interceptors, the biggest threat came from Soviet nuclear-armed bombers. For the United States Navy, the biggest threat came from those bombers, like the Tu-16 “Badger” and Tu-22M “Backfire” carrying cruise missiles. To defend its fleets and invaluable aircraft carriers carrying thousands of people, the Navy needed a long-range missile.

The result would be a missile of unprecedented range and massive explosive power. It could take to the skies at Mach 5 and dive down on its victims with a proximity fuse that delivered the payload of 135 lbs. of high explosives.

The missile was originally intended to be delivered from a traditional interceptor platform, the Douglas F6D “Missileer.” When that aircraft was cancelled without a single unit built, the Navy turned to a carrier variant of the F-111, the F-111B, in the 1960s. When that project was snuffed out, the Navy turned to the F-14 “Tomcat.”

As the project moved forward, the Air Force was developing a long-range, higher performing variant of its AIM-4 “Falcon,” called the AIM-47. When that project was abandoned, the Navy had a good base of design to go from. The AIM-54A entered service in 1974. A much-more advanced AIM-54C entered service in 1986.

The exact range of the “Phoenix” is classified, but it is believed that the missile could engage targets at more than 120 miles.

To achieve its massive range, the AIM-54 climbs as high as 100,000 feet and receives updates from the F-14’s AWG-9 or APG-71 radar mid-flight. As it approaches the target, the missile dives and actives its own radar at around 11 miles to guide the missile to the target.

The “Phoenix” was the first missile to feature “fire and forget” capability. An F-14 pilot could fire a full load of six missiles at six different targets and then leave the area while the missiles did the rest. Contemporary medium-range “Sparrow” missiles featured semi-active guidance, requiring the pilot or RIO to continuously light up one target until it was destroyed.

While an F-14 — the only airplane ever armed with the AIM-54 — could carry up to six of the missile, it rarely did. Carrying six “Phoenixes” required 8,000-pounds of launch rails, making the aircraft too heavy to land on a carrier with the full load in tact.

While there is footage of the AIM-54 destroying target drones, the missile was never successfully used in battle by the U.S. At least three missiles were fired at Iraqi MiGs in 1999, but the motors failed on two and the third missed a MiG-23.

The Navy retired the AIM-54 in 2003, ahead of the 2006 retirement of the F-14.

Iranian F-14s, at least one of which (top) is carrying the AIM-54 "Phoenix"
Iranian F-14s, at least one of which (top) is carrying the AIM-54 “Phoenix”
A total of 285 AIM-54As, along with 79 F-14’s, were exported to the Shah’s Iran in the 1970s. Iran was a close American ally at the time and an opponent of the Soviet Union. The U.S. rushed to arm the Iran with its latest military technology.

Thus, Iran is now the only country that may have the “Phoenix” in its active arsenal. However, there is no publicly-available data to support the fact that Iran is capable of operating the missile. The AIM-54 is a complicated device, and when American engineers left in 1979, it’s possible that Iran was left unable to use it. The book “Iranian F-14 Tomcat Units in Combat” by Tom Cooper is the only western account of the F-14 in combat in Iran, and it relies only on pilot interviews for its data, calling its reliability into question. In the book, pilots claim they used the “Phoenix” to score 60-70 kills in the Iran-Iraq war. Cooper writes that the Iranian F-14s were used to protect Iranian Air Force tankers and to engage Iraqi fighters at beyond visual range with the AIM-54. Iran, through its state-run English-language Press TV news service, claims it is developing a successor to the AIM-54.

Specifications

Length: 13 feet
Diameter: 15 inches
Wingspan: 3 feet
Weight: 1,024 pounds
Speed: In excess of 3,000 mph
Range: In excess of 100 nautical miles (actual range classified)
Guidance System: Semi-active and active radar homing.
Warhead: Proximity fuse, high explosive. Warhead Weight: 135 pounds
Source: U.S. Navy Fact File

Essential Reading

No matter what you do, pick up a copy of “Iranian F-14 Tomcat Units in Combat,” just know that it is based on what Iranian pilots told the author, and it’s obviously slanted.

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Online Resources:

  • Wikipedia
  • Aerospaceweb — Information on Iranian F-14s, a bit dated
  • U.S. Navy Fact File
  • Military Analysis Network

Photo Gallery

A rare full six-pack of AIM-54 "Phoenix" missiles on an F-14A on January 1, 1989. Cropped from an official US Navy Photo. Full loads of "Phoenix" missiles were not allowed on carrier missions because it made the airplane too heavy to land.
A rare full six-pack of AIM-54 “Phoenix” missiles on an F-14A on January 1, 1989. Cropped from an official US Navy Photo. Full loads of “Phoenix” missiles were not allowed on carrier missions because it made the airplane too heavy to land.
An AIM-54C "Phoenix" missile without forward wings on an F-14 Tomcat.
An AIM-54C “Phoenix” missile without forward wings on an F-14 Tomcat.
A U.S. Navy F-14A Tomcat from fighter squadron VF-1 Wolfpack launching an AIM-54 Phoenix missile. VF-1 was assigned to Carrier Air Wing 2 aboard the aircraft carrier USS Ranger
A U.S. Navy F-14A Tomcat from fighter squadron VF-1 Wolfpack launching an AIM-54 Phoenix missile. VF-1 was assigned to Carrier Air Wing 2 aboard the aircraft carrier USS Ranger
A "Phoenix" destroys a McDonnell QF-4B Phantom II target drone over the Naval Weapons Center China Lake, Calif.
A “Phoenix” destroys a McDonnell QF-4B Phantom II target drone over the Naval Weapons Center China Lake, Calif.
Iranian F-14s, at least one of which (top) is carrying the AIM-54 "Phoenix"
Iranian F-14s, at least one of which (top) is carrying the AIM-54 “Phoenix”
At sea with USS George Washington on Sep. 24, 2002 -- Lt. West McCall, an F-14 “Tomcat” pilot from Deland, Fla., and Lt. Kimberly Arrington, a Radar Intercept Officer from King, N.C., both assigned to the “Jolly Rogers” of Fighter Squadron One Zero Three (VF-103), test fire a Phoenix air to air missile as part of the annual proficiency test during Exercise Mediterranean Shark
At sea with USS George Washington on Sep. 24, 2002 — Lt. West McCall, an F-14 “Tomcat” pilot from Deland, Fla., and Lt. Kimberly Arrington, a Radar Intercept Officer from King, N.C., both assigned to the “Jolly Rogers” of Fighter Squadron One Zero Three (VF-103), test fire a Phoenix air to air missile as part of the annual proficiency test during Exercise Mediterranean Shark
An AIM-54 being moved
An AIM-54 being moved
"Phoenix" missiles being moved aboard an aircraft carrier
“Phoenix” missiles being moved aboard an aircraft carrier
An AIM-54A on an F-14
An AIM-54A on an F-14

Filed Under: 1955-1975 -- Vietnam era, Military, Missiles, Rockets, and Bombs, USA Tagged With: AIM-54, air-to-air missile, f-14, f-14 tomcat, iran, missile, Phoenix

Report: Venezuela supplied Iran with F-16 fighter

June 24, 2012 by John M. Guilfoil

A twin-seat F-16 in use by the United Arab Emirates similar to the one a Spanish newspaper claims Venezuela sent Iran
A twin-seat F-16 in use by the United Arab Emirates similar to the one a Spanish newspaper claims Venezuela sent Iran
A Spanish newspaper reports that Venezuela has given Iran at least one F-16 fighter to help it prepare its air defenses for a possible strike on its nuclear facilities by Israel or the U.S.

The newspaper ABC, a conservative Spanish daily, reports that Iran will use the American-built fighter to calibrate its radar and anti-aircraft units — not as a combat vehicle.

The newspaper attributes the information to “a non-western intelligence agency.”

The news comes as Iranian President Mahmoud Ahmadinejad arrived in Venezuela for an official visit on Friday. Ahmadinejad is a close ally of Venezuela’s Hugo Chavez.

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Iran reportedly believes that an American or Israeli air attack would come by F-15s and F-16s. However, it is highly unlikely that, in the event of war or a strike against Iran, either aircraft would be used primarily in a ground strike role. Ground strike would probably come from missiles or precision bombs deployed by a stealth B-2 or from missiles fired by B-52 bombers, or from one of any number of ships in the nearby waters. F-22’s would also most likely see air-to-air combat, and the stealthiness of the F-22 makes it unlikely that the F-16 study would give Iran any competitive advantage over the US.

Venezuela purchased 24 F-16s in 1983, before Chavez rose to power. The ABC newspaper reports only 12 of the aircraft remain in service.

In the news story, translated into English, the paper reports that “according to the confidential testimony now offered by a commander of the Venezuelan Air Force, a two-seater F-16 was disassembled in Maracay, about 60 miles west of Caracas, and placed in large wooden containers ‘sealed’, without any external indication of its contents” and flown to Iran via a Boeing 707 outfitted for cargo, with stops in Brazil and Algeria.

The report also suggests that Venezuela, naming a Lieutenant Colonel Karim Lezama, may be seeking or procuring F-14 Tomcat parts for Iran. Iran is the only nation that still operates the F-14, and the US ordered its retired fleet destroyed to deprive Iran of any spare parts.

This weekend, Iran’s deputy chief of staff, General Mostafa Izadi, said any Israeli strike against Iran’s nuclear facilities would lead to “collapse of the Zionish regime.”

“If the Zionists attack us, they will be the ones annihilated in the end,” Izadi said.

Filed Under: Aviation News Tagged With: f-14, f-14 tomcat, f-15, f-16, f-16 fighting falcon, hugo chavez, iran, Mahmoud Ahmadinejad, venezuela

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