Wikipedia says "at least 20" and cites a source that says the exact number is unknown.
In general Wikipedia is an extremely inaccurate source for military aviation. I have found while following the citations that information is routinely entirely fabricated in this topic, with unrelated or marginally related citations added without quotes to make them seem plausible.
Wikipedia says "at least 20" and cites a source that says the exact number is unknown.
In general Wikipedia is an extremely inaccurate source for military aviation. I have found while following the citations that information is routinely entirely fabricated in this topic, with unrelated or marginally related citations added without quotes to make them seem plausible.