This aircraft are painted in Aggressor colors, from the US Navy Top-Gun school.
In fact this aircraft were used by the Navy, along with other types (F-21 = Israeli Kfir), to simulate Warsaw Pact fighters, and so were painted in the Warsaw-Pact camouflage patterns.
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Thank you Kim for the crest
"Never fear to try on something new. Remember that the Titanic was built by professionals, and the Ark by an amateur"