The ARGO MCV is an upcoming ship from ARGO Astronautics that was datamined from the original 3.18 EPTU patch in October 2022. The information gathered is as follows:
"ArgoMCV_IG_001_TheMcvIs=The MCV is great if you're looking to start up a business, but I think it'd be a solid choice even if you were just looking to find a new hobby. Imagine having one of these in hangar and being able to take it out and tinker whenever you feel like it?
ArgoMCV_IG_001_ArgosMcvIs=Argo's MCV is built to be a mobile factory. Perfect for anyone who's trying to kick off their manufacturing empire."
Nothing else is known about this ship at this time.