Mainframe was part of a W.H.A.L.E. crew captured by a squad of Cobras seeking a Tactical Analysis Computer System (T.A.C.S.) unit to discover Ministry of Defence secrets. The team escaped and Mainframe tricked Cobra Commander into destroying the device before it could be used. He was then part of an infiltration team who recaptured an Arabian oil terminal from Cobra and prevented it from being exploded to ignite the oil fields.
Sunbow animated series
A Real American Hero (1986)
Mainframe was first released as part of the 1986 series of A Real American Hero toys. He was also available in 1987 and was discontinued in 1988.
Appearance: black helmet; grey short-sleeved shirt; black diagonal strap and gloves; grey pants with black belt, holster
Accessories: large, angular grey BP75E Field Transmitter Receiver Unit tech backpack with antenna; grey portable combat-ready computer with handle; small black communicator with peg for hose; standard long, black hose.
1986 Mainframe wears a Combat Infantry badge (on the wrong side of his shirt), but does not come with any weapons.
The Season 5 episode of the CBS television program NCIS that aired October 16, 2007 - "Identity Crisis" - assigned many of the guest stars and incidental characters the names of G.I. Joe characters. Although no character was ever seen, the name "Blaine Parker" was mentioned as a famous and well-respected tattoo artist working in Boston.
↑The Infantry badge is an Army decoration, and Mainframe comes to the Joes from the Marines. This is explained by his filecard, which points out that he finished his initial tour of duty, then re-upped with a different branch.
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