Sourcing status: Disputed — this is a contested claim, not independently verified. Presented as a documented claim, not established fact.
Account by an NSA-Spanish-language analyst (Sgt. John Samford) of a Cuban Air Force MiG-21 reportedly downed during an attempted intercept of an unidentified target. The account appeared in 1978 NSA-FOIA materials but the specific incident has not been confirmed in Cuban records.