all what pwninator said and i think we need the bloom to make it realistic. 
forge also needs dead mirines and odsts and ai odst and marines and you could set them to be really good or really bad so like east normal heroic and legendary. adn change weather and time( snowing. raining, hail, fog.  
BOATS 
BOATS  
BOATS  
elephants, mongoose, doozy, scorpion, wolverine, cobra, gremlin, warthog ( gauss, rocket, transport, and regular and all seats in the transport should be filled), grizzly, hornet, falcon, hawk, VULTURE, LONGSWORD, PELICAN, shortsword, sabre,  prowler, chopper, scarab, locust, ghost, shadow, wraith ( also anti air wraith) shadow( able to carry ghosts), banshee, phantom, vampire, spirit, seraph. all drivable.  
destroible setting on walls and objects. 
computers house hold objects and working doors. 
when forging ships you should be able to drive them and if there are things in them you could "glue" them down 
have lag meter in forge and be able to pass it but it might lag when you pass it. 
dedicated servers   
you should also have sprint all the time, not as an armor ability  
breach and clear in invasion  
and space combat  
jet pack no hight limit and when shot it explode 
ppl in armor lock should be able to be assinated 
pelicans in matchmaking and phantons in matchmaking