エムエスエックス
[b][[Gundam]] Mobile Suit X[/b], or [b]MS-X[/b] (エムエスエックス [i]Emuesuekkusu[/i]) for short, is a 1984 series of new [[mecha]] designs and variations of official [[mobile suit]] designs from the [[Mobile Suit Gundam]] animated series. 

Just like the [[Gundam MSV]] Mobile Suit Variation (MSV) series of designs, these other mobile suit variations are all legitimate canon and were part of an original design series.
gundam ms-x