Whilst hardly the subtlest of disguises, An Aircraft carrier has it's uses. This hulking mercenary would rather facilitate other's risky ventures, as long as he can still profit from it.
Whether it's giving aid to Earth's serpentine terrorists, or his countrybot's sweeps and seekers, providing shelter, transport, and when needs must, firepower, is so much more profitable than risking personal injury.
This flat-top frigate is not adverse to a little piracy in the quiet moments of the inter planetary war, and has been known to sink whole consignments of longed for goods, just to drive up prices.