the 337th flight test squadron (337 flts) was most recently part of the flying fortress 46th test wing and based at mcclellan air force base, a former united states air force base located in the north highlands area of sacramento county, in the us state of california.
the 337th flight test squadron (337 flts) was most recently part of the flying fortress 46th test wing and based at mcclellan air force base, a former united states air force base located in the north highlands area of sacramento county, in the us state of california.
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