"Sneakernet" is an old jargon term used to describe the act of having to carry a computer file on a floppy disk orother media from a machine in one room to another.
On the other hand, many of those who do not carry arms (or wear uniforms) may be very much part of the war effort ammunition workers, porters, victuallers and the like.
The Vanguard, the Blue Marlin and the rest of the Dockwise fleet are ships designed to carryother ships, drilling rigs or anything else too large or heavy to be easily transported on a conventional ship.