The X are for experimental, BC is Bomber Transport, once the X303 the experimental craft was completed and become the prototype for other ships it was given the BC.
But because it is the prototype and a spaceplance it should be YBCS-3.
It is also the same for the X302/F-302 should be known as FS-2.
http://www.designation-systems.net/u.../aircraft.html
Great info on the X303
http://www.stargate-tech.net/starships/earth/x303.htm
Info on ships
But because it is the prototype and a spaceplance it should be YBCS-3.
It is also the same for the X302/F-302 should be known as FS-2.
http://www.designation-systems.net/u.../aircraft.html
Great info on the X303
http://www.stargate-tech.net/starships/earth/x303.htm
Info on ships
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