Fans have debated the impact of this trend on the line's declining popularity and eventual cancellation in 1994, but other contributing factors, such as the lack of a television series and competition from popular new toylines likely had a more drastic effect. It should also be noted that there was also a distinct science-fiction element to the line, which seemed to increase as the line went on, with toys like the Battle Force 2000 and the Star Brigade series.
battle tanks and the Mobile Missile System (MMS), which was a carbon copy of the MIM-23 HAWK surface-to-air (SAM) missile system. tank, which resembled the M-48/M-60 series of U.S. Examples of similar army equipment include the M.O.B.A.T. Joe Skystriker XP-14 fighter plane based on the F-14 Tomcat, the Cobra Rattler, similar to the A-10 Thunderbolt II, and the Dragonfly, modeled on the Bell AH-1 Cobra attack helicopter. They were often influenced by theoretical or real military technologies that were being developed during the 1980s, or actually existed at some point in time. Inspired by the success of Kenner's Star Wars line of action figures, Hasbro designed vehicles and playsets to be used with the figures. Larry Hama used his own military experience for the lines theme inspiration,most of a real American hero based on real world military but some fiction The most notable changes were the second series' addition of "swivel-arm" articulation in 1983 (initial figures had "straight arms"), and the fourth series' balljoints replacing the former swivel necks, both drastically increasing a figures poseability. Throughout the original toyline production from 1982 through 1994, figure construction remained relatively the same. The RAH figures were 3 3/4" (9.5 cm) tall, at roughly 1:18th scale.
Grunt, one of the original figures from the G.I.