This O-2A was delivered to the USAF as ‘67-21383’ in 1967. It saw action during the war in Vietnam. It eventually retired in 1980. Seen here making a nice photo pass during the 2006 Waco airshow.
One of a small group of former USAF O-2As operated by A-7E RAG VA-122 out of NAS Fallon NV for range duties and as FACs. The original serial is 67-21318
Formerly Cessna O-2A 69-7669 (the last of the type to be constructed it seems) which was operated by the 507th TCAW, now sitting on a ramp at Wiley Post OKC as N51680 and with semi-flat tyres looking as if she has not been moved for quite some time.