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It has been a troubling mystery—and yet, is an unsolved one: Last January, at least 9 service members who had worked at Malmstrom Air Force Base (AFB) in Montana were reported to have been diagnosed with non-Hodgkin lymphoma. Then more cancer cases were reported, not only at Malmstrom, but at Francis E. Warren AFB in Wyoming, Minot AFB in North Dakota, and Vandenberg AFB in California. The bases operate the silos that house nuclear warheads carried by Minuteman III intercontinental ballistic missiles (ICBMs).

In all, 36 cancer cases were reported among missileers: 10 developed non-Hodgkin lymphoma, 2 Hodgkin lymphoma, and 24 another form of cancer. Eight of the missileers, the majority of whom served at Malmstrom between 1997 and 2007, have died.

So far, though, the US Air Force (USAF) reports that it has found no current risk factors that could explain the unusual number of cases.

In February, Gen. Thomas Bussiere, commander of Air Force Global Strike Command, approved a study to conduct a formal assessment related to specific cancer concerns and examine the possibility of cancer clusters at ICBM bases. The Missile Community Cancer Study, conducted by the Air Force School of Aerospace Medicine, will look at all ICBM wings, all missileers, and those who maintain, guard, and support the bases. The review also incorporates active-duty medical data, the US Department of Veterans Affairs cancer registry data, mortality data, and public cancer registries.

Missileers may be exposed to a variety of chemicals and toxins. The potential hazardous materials exposure at the missile silos extends to all 3 missile bases, USAF says. The equipment in the launch control center and equipment buildings were identical. However, each of the ICBM bases has specific environmental and agricultural factors that will be considered as studies continue, according to the USAF. The land surrounding missile alert facilities, launch control centers, and launch facilities is not owned by the government; the study teams noted that locations could contain additional unknown agricultural hazards. Procedures for testing and cleaning the facilities vary across installations, creating inconsistencies, according to the USAF.

The study teams recently presented their initial findings. “[O]verall,” they said, “there were no factors identified that would be considered immediate concerns for acute cancer risks,” according to a report from the USAF 711th Human Performance Wing, obtained by the Associated Press.

This isn’t the first time that concerns have been raised about possible cancer clusters at Malmstrom. In 2001, after cases of various cancers from missileers were reported—including cervical, thyroid, Hodgkin lymphoma, and non-Hodgkin lymphoma—the Air Force Institute for Operational Health conducted a site evaluation and sampling for possible chemical and biologic contaminants at their facilities. Results of all tests, the 2005 report said, did not demonstrate any levels above acceptable standards according to state and federal regulations. The survey concluded that launch control centers provide a safe and healthy working environment.

In 2005, following the release of the report, the USAF said “There is not sufficient evidence to consider the possibility of a cancer clustering to justify further investigation.” The research report noted, “[S]ometimes illnesses tend to occur by chance alone and it is not uncommon to see clustering or what has been referred to as ‘perceived clustering’ of conditions, especially when they occur in a close group of people or certain communities as in the military.”

On its website, though, the Air Force Medical Service now says that the findings from 2 decades ago may have changed.

The findings from the new study are not final. The USAF is continuing its investigation, including conducting an epidemiological study of cancers within the missile community. In the meantime, Air Force Global Strike Command Public Affairs says that, in response to the review panel’s recommendations, Gen. Bussiere has directed that facilities be deep cleaned regularly, signage denoting the presence of polychlorinated biphenyls be updated, and burning no longer allowed as a means of destroying classified materials inside the facilities.

Notably, the changes will also include improving communication and coordination between medical personnel and missile community members. Bussiere directed his staff to explore specifically assigning medical professionals to ICBM units, to have a better understanding of the environment and missions. He also ordered further engagement with personnel who work with known occupational hazards to collect more data and information. While awaiting the eventual replacement of the Minuteman III ICBM with the LGM-35A Sentinel, preventive maintenance and environmental upgrades will be prioritized and any upgrade or new piece of equipment will be “scrutinized for hazards.”

The USAF has also established a website to address the missileer community’s concerns.

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It has been a troubling mystery—and yet, is an unsolved one: Last January, at least 9 service members who had worked at Malmstrom Air Force Base (AFB) in Montana were reported to have been diagnosed with non-Hodgkin lymphoma. Then more cancer cases were reported, not only at Malmstrom, but at Francis E. Warren AFB in Wyoming, Minot AFB in North Dakota, and Vandenberg AFB in California. The bases operate the silos that house nuclear warheads carried by Minuteman III intercontinental ballistic missiles (ICBMs).

In all, 36 cancer cases were reported among missileers: 10 developed non-Hodgkin lymphoma, 2 Hodgkin lymphoma, and 24 another form of cancer. Eight of the missileers, the majority of whom served at Malmstrom between 1997 and 2007, have died.

So far, though, the US Air Force (USAF) reports that it has found no current risk factors that could explain the unusual number of cases.

In February, Gen. Thomas Bussiere, commander of Air Force Global Strike Command, approved a study to conduct a formal assessment related to specific cancer concerns and examine the possibility of cancer clusters at ICBM bases. The Missile Community Cancer Study, conducted by the Air Force School of Aerospace Medicine, will look at all ICBM wings, all missileers, and those who maintain, guard, and support the bases. The review also incorporates active-duty medical data, the US Department of Veterans Affairs cancer registry data, mortality data, and public cancer registries.

Missileers may be exposed to a variety of chemicals and toxins. The potential hazardous materials exposure at the missile silos extends to all 3 missile bases, USAF says. The equipment in the launch control center and equipment buildings were identical. However, each of the ICBM bases has specific environmental and agricultural factors that will be considered as studies continue, according to the USAF. The land surrounding missile alert facilities, launch control centers, and launch facilities is not owned by the government; the study teams noted that locations could contain additional unknown agricultural hazards. Procedures for testing and cleaning the facilities vary across installations, creating inconsistencies, according to the USAF.

The study teams recently presented their initial findings. “[O]verall,” they said, “there were no factors identified that would be considered immediate concerns for acute cancer risks,” according to a report from the USAF 711th Human Performance Wing, obtained by the Associated Press.

This isn’t the first time that concerns have been raised about possible cancer clusters at Malmstrom. In 2001, after cases of various cancers from missileers were reported—including cervical, thyroid, Hodgkin lymphoma, and non-Hodgkin lymphoma—the Air Force Institute for Operational Health conducted a site evaluation and sampling for possible chemical and biologic contaminants at their facilities. Results of all tests, the 2005 report said, did not demonstrate any levels above acceptable standards according to state and federal regulations. The survey concluded that launch control centers provide a safe and healthy working environment.

In 2005, following the release of the report, the USAF said “There is not sufficient evidence to consider the possibility of a cancer clustering to justify further investigation.” The research report noted, “[S]ometimes illnesses tend to occur by chance alone and it is not uncommon to see clustering or what has been referred to as ‘perceived clustering’ of conditions, especially when they occur in a close group of people or certain communities as in the military.”

On its website, though, the Air Force Medical Service now says that the findings from 2 decades ago may have changed.

The findings from the new study are not final. The USAF is continuing its investigation, including conducting an epidemiological study of cancers within the missile community. In the meantime, Air Force Global Strike Command Public Affairs says that, in response to the review panel’s recommendations, Gen. Bussiere has directed that facilities be deep cleaned regularly, signage denoting the presence of polychlorinated biphenyls be updated, and burning no longer allowed as a means of destroying classified materials inside the facilities.

Notably, the changes will also include improving communication and coordination between medical personnel and missile community members. Bussiere directed his staff to explore specifically assigning medical professionals to ICBM units, to have a better understanding of the environment and missions. He also ordered further engagement with personnel who work with known occupational hazards to collect more data and information. While awaiting the eventual replacement of the Minuteman III ICBM with the LGM-35A Sentinel, preventive maintenance and environmental upgrades will be prioritized and any upgrade or new piece of equipment will be “scrutinized for hazards.”

The USAF has also established a website to address the missileer community’s concerns.

It has been a troubling mystery—and yet, is an unsolved one: Last January, at least 9 service members who had worked at Malmstrom Air Force Base (AFB) in Montana were reported to have been diagnosed with non-Hodgkin lymphoma. Then more cancer cases were reported, not only at Malmstrom, but at Francis E. Warren AFB in Wyoming, Minot AFB in North Dakota, and Vandenberg AFB in California. The bases operate the silos that house nuclear warheads carried by Minuteman III intercontinental ballistic missiles (ICBMs).

In all, 36 cancer cases were reported among missileers: 10 developed non-Hodgkin lymphoma, 2 Hodgkin lymphoma, and 24 another form of cancer. Eight of the missileers, the majority of whom served at Malmstrom between 1997 and 2007, have died.

So far, though, the US Air Force (USAF) reports that it has found no current risk factors that could explain the unusual number of cases.

In February, Gen. Thomas Bussiere, commander of Air Force Global Strike Command, approved a study to conduct a formal assessment related to specific cancer concerns and examine the possibility of cancer clusters at ICBM bases. The Missile Community Cancer Study, conducted by the Air Force School of Aerospace Medicine, will look at all ICBM wings, all missileers, and those who maintain, guard, and support the bases. The review also incorporates active-duty medical data, the US Department of Veterans Affairs cancer registry data, mortality data, and public cancer registries.

Missileers may be exposed to a variety of chemicals and toxins. The potential hazardous materials exposure at the missile silos extends to all 3 missile bases, USAF says. The equipment in the launch control center and equipment buildings were identical. However, each of the ICBM bases has specific environmental and agricultural factors that will be considered as studies continue, according to the USAF. The land surrounding missile alert facilities, launch control centers, and launch facilities is not owned by the government; the study teams noted that locations could contain additional unknown agricultural hazards. Procedures for testing and cleaning the facilities vary across installations, creating inconsistencies, according to the USAF.

The study teams recently presented their initial findings. “[O]verall,” they said, “there were no factors identified that would be considered immediate concerns for acute cancer risks,” according to a report from the USAF 711th Human Performance Wing, obtained by the Associated Press.

This isn’t the first time that concerns have been raised about possible cancer clusters at Malmstrom. In 2001, after cases of various cancers from missileers were reported—including cervical, thyroid, Hodgkin lymphoma, and non-Hodgkin lymphoma—the Air Force Institute for Operational Health conducted a site evaluation and sampling for possible chemical and biologic contaminants at their facilities. Results of all tests, the 2005 report said, did not demonstrate any levels above acceptable standards according to state and federal regulations. The survey concluded that launch control centers provide a safe and healthy working environment.

In 2005, following the release of the report, the USAF said “There is not sufficient evidence to consider the possibility of a cancer clustering to justify further investigation.” The research report noted, “[S]ometimes illnesses tend to occur by chance alone and it is not uncommon to see clustering or what has been referred to as ‘perceived clustering’ of conditions, especially when they occur in a close group of people or certain communities as in the military.”

On its website, though, the Air Force Medical Service now says that the findings from 2 decades ago may have changed.

The findings from the new study are not final. The USAF is continuing its investigation, including conducting an epidemiological study of cancers within the missile community. In the meantime, Air Force Global Strike Command Public Affairs says that, in response to the review panel’s recommendations, Gen. Bussiere has directed that facilities be deep cleaned regularly, signage denoting the presence of polychlorinated biphenyls be updated, and burning no longer allowed as a means of destroying classified materials inside the facilities.

Notably, the changes will also include improving communication and coordination between medical personnel and missile community members. Bussiere directed his staff to explore specifically assigning medical professionals to ICBM units, to have a better understanding of the environment and missions. He also ordered further engagement with personnel who work with known occupational hazards to collect more data and information. While awaiting the eventual replacement of the Minuteman III ICBM with the LGM-35A Sentinel, preventive maintenance and environmental upgrades will be prioritized and any upgrade or new piece of equipment will be “scrutinized for hazards.”

The USAF has also established a website to address the missileer community’s concerns.

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