[quote=@Cale Tucker]
[@Keyguyperson] This would have been done in the past, to make CE's tanks, their small number of Tanks 
[/quote]

Well, in that case... the easiest would be to have a joint action taken against some enemy force, in which the USV gave you railguns. Either that, or you paid a hefty price (or paid a smaller price to an unsanctioned arms dealer).