S.T.A.R. Force was introduced in the summer of 1997.  The line is space exploration-themed but retains some vague military aspects.  The initial release of S.T.A.R. Force featured repaints of the previously-released Lazer Force assortment (six action figures).  Most packaging variations featured the figures with small accessories only.   However, some internationally-released versions were available with the repainted Lazer Force light-up accessories.  The cardbacks for these figures also showed the S.T.A.R. Force versions of the Bio-Wing Battle Squadron assortment.  These would be available internationally later in 1997 and to present day are nearly impossible to find in the U.S.  The first two vehicles for the S.T.A.R. Force line were made available in third-quarter 1997.  Both were new and designed exclusively for the S.T.A.R. Force line, they were the moon rover and shuttle vehicles.

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In 1998 the core six S.T.A.R. Force figures got a revised color scheme which added gold and/or silver highlights and other miscellaneous enhancements.  Three vehicles were added to the line- a light and sound producing space capsule and the 6-wheeled tracker vehicle and a personnel transport.  The 6-wheeled tracker vehicle  was introduced simultaneously in the Corps! military line.  The Corps! troop transport (APC) vehicle was retrofitted and repainted for the S.T.A.R. Force theme.

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Three new figures were added to S.T.A.R. Force in 1999, these were appropriately repainted versions of the Justin Case, Lars Lazer, and Full Proof figures.  Only one new vehicle has been introduced in 1999, the Complete Launch Set.  This is the standard shuttle with a booster rocket, launch platform, and launch tower.  1999 has shown a significant increase in the amount and consistency of S.T.A.R. Force merchandise available on retailer shelves, at least in the U.S.