All joking aside, there are differences between the two services. The Marines wear different body armor than the Army, however Live Resin makes the vests you will need so you can swap the upper torsos out. The load bearing pouches are universal in shape and configuration between the services. The CVC helmets would be the same, the coveralls I don't know for certain. It would be nice if Miniart would hurry up and get those Army modern tank crew figures out, wouldn't it?