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Air Force Lt. Col. Richard Paul Mastalerz II, a pilot assigned to the 103rd Airlift Wing, Connecticut Air National Guard, undergoes treatment for colorectal cancer, September 27, 2021, at Massachusetts General Hospital, Boston, Mass. Mastalerz was prohibited from flying for nearly two years due to his cancer diagnosis. (Photo courtesy of Air Force Lt. Col. Richard Paul Mastalerz)
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