automation and 3d printing could saturate different domains with military systems

when defense industry production become more automated and start using 3d printing large scale, 

then international waters could become very crowded with military vessels

 

and if northern shores become more ice free for longer periods during the year, 

then those areas will likely become crowded with military vessels 

and airspace could become very crowded with military aircraft 

and atmosphere could become very crowded with military satellites and spacecraft

and the solar system could become saturated with military satellites and spacecraft