US "Nuke-Sniffer" Plane over Persian Gulf

US "Nuke-Sniffer" Plane over Persian Gulf

The US Air Force has deployed one of its very few "nuke-sniffer" aircraft over the Persian Gulf right now (5:48 PM EDT)-- but no one is saying why!

The WC-135 "Constant Phoenix" is a special-purpose aircraft derived from the Boeing C-135 Stratolifter and used by the United States Air Force. Its mission is to collect samples from the atmosphere for the purpose of detecting and identifying nuclear explosions. It is also informally referred to as the "weather bird" or "the sniffer" by workers on the program and international media respectively.

Below is a radar report showing the Constant Phoenix over Bahrain:


The WC-135B and WC-135W Constant Phoenix atmospheric-collection aircraft support national-level intelligence consumers by collecting particulate debris and gaseous effluents from accessible regions of the atmosphere in support of the Limited Nuclear Test Ban Treaty of 1963.


The Constant Phoenix's modifications are primarily related to the aircraft's on-board atmospheric collection suite, which allows the mission crew to detect radioactive debris "clouds" in real time. The aircraft is equipped with external flow-through devices to collect particulates on filter paper and a compressor system for whole air samples collected in high-pressure holding spheres. Despite the different designations, both the C and W carry the same mission equipment (similar to the RC-135V and W aircraft).

Below is another radar report showing the plane over Qatar:


The interior seats 33 people, including the cockpit crew, maintenance personnel, and special equipment operators from the Air Force Technical Applications Center. On operational sorties, the crew is minimized to just pilots, navigator, and special-equipment operators, to reduce radiation exposure to mission-essential personnel only.


Vela Incident

WC-135B aircraft flew 25 sorties in 1979 to try to ascertain whether a double flash in the South Atlantic that was detected by a Vela satellite was a nuclear weapons test, however, the result was inconclusive.

Pakistan & India

The Constant Phoenix aircraft was used to gather information on the nuclear tests conducted by Pakistan and India in 1998.

North Korea

On October 6, 2006, Japan's Kyodo News agency reported that a US military aircraft, equipped to detect radiation from a nuclear test, took off from southern Japan. This was believed to be part of US efforts to prepare to monitor a North Korean nuclear test.

On October 9, 2006, North Korea's official Korean Central News Agency (KCNA) reported that the country had performed a successful underground nuclear test.

On October 13, 2006, CNN reported: "The U.S. Air Force flew a WC-135 Constant Phoenix atmospheric collection aircraft on Tuesday to collect air samples from the region. A preliminary analysis of air samples from North Korea shows 'radioactive debris consistent with a North Korea nuclear test', according to a statement from the office of the top U.S. intelligence official. The statement, from the office of Director of National Intelligence John Negroponte, was sent to Capitol Hill but not released publicly. CNN obtained it from a congressional source. The national intelligence office statement said the air samples were collected Wednesday, and analysis found debris that would be consistent with a nuclear test 'in the vicinity of Punggye' on Monday. The South Korean Defense Ministry told CNN that the United States has informed it that radioactivity has been detected." The aircraft was based at Offutt AFB and was sent to Kadena Air Base on Okinawa to operate during the sampling missions.

On June 17, 2009, JoongAng Daily reported, in reference to a purported May 25 nuclear test by North Korea: "The U.S. Air Force twice dispatched a special reconnaissance jet, the WC-135 Constant Phoenix from Kadena Air Base in Okinawa, Japan, to collect air samples."

On November 23, 2010, Sankei Shimbun reported that a WC-135 had been moved to Kadena Air Base in September 2010, in anticipation of a North Korean nuclear test.

On January 31, 2013, the WC-135W was reported to be conducting surveillance flights out of Kadena Air Base in anticipation of another North Korean nuclear test.

On January 6, 2016, the United States Air Force confirmed plans to soon deploy the WC-135 to test for radiation near North Korea to examine North Korea's claim that they had successfully conducted a hydrogen-bomb test on January 5 (EST).

On September 8, 2016, it was reported that the WC-135 would soon begin surveillance flights near the Korean Peninsula after South Korean officials confirmed that North Korea conducted its fifth nuclear test at approximately 0:30 UTC.

On April 12, 2017, it was deployed to Okinawa amid rising tensions with North Korea. North Korea conducted a missile test on April 3, 2017.

On May 19, 2017, two Chinese Su-30 fighter jets intercepted a WC-135 over the East China Sea, prompting a formal complaint from the Pentagon.


On March 17, 2011, CNN reported that the WC-135W had been deployed from Offutt Air Force Base in Nebraska to Eielson Air Force Base in Alaska. From there it assisted in detecting radioactive materials in the atmosphere around Japan, monitoring radioactivity released from the Fukushima I Nuclear Power Plant caused by the magnitude 9.0 earthquake and subsequent tsunami of March 11, 2011.


In 1986, the WC-135C was deployed to Europe to help monitor the air after the Chernobyl disaster.

On February 17, 2017, it was reported that the WC-135C had been deployed to RAF Mildenhall. It was conjectured that this came in response to several reports of anomalous levels of iodine-131 coming from the Norwegian-Russian Border. As of April 10, 2017, there was no official cause of the iodine-131 release.



The fact that THIS aircraft is now over the Persian Gulf means the US either THINKS a nuclear detonation has taken place, or believes one IS going to take place.  This deployment is a very serious development in world affairs.



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  • This commment is unpublished.
    Christian Walker · 4 months ago
    I was going to mention the recent earthquake activity in Iran... Maybe it's worth looking at, Hal?
  • This commment is unpublished.
    Copperhead · 4 months ago
    4.5M EQ in Iran today at 6 mile depth. A little deep for a test, but ossibly?
    • This commment is unpublished.
      Copperhead · 4 months ago
      There were actually 2 earthquakes yesterday, 2 hours apart. The first was the 4.5 and the second a 4.2 - both at the same 10km (6mile) depth. Near Kūh Sefīd, Kerman, Iran.

      The first was at 28.426, 56.771 and the second at 28.465, 56.758.