Yeah, missile silos could use a bit more work.
Also, considering the robot malfunctioning and attacks from other nations, the nuclear silo could be a ruin(the missle got launched without opening the hatch) or without missles(got already launched).
Hidden underground military bases could be a thing as well. Aboveground ones would be dust already, but underground ones could be some of the hardest places ever in the game: lots of military equipment, tanks and CBMs, but it would be EXTREMELY heavily guarded. In other words: here, Chicken Walkers and Tank Drones are very justified. Zombie Bio-operators, Soldier Zombies, maybe even Power Armor Zombies(no, they don’t exist yet).
Yeah, once Im done with this FEMA camp, I will start working on them.
Hey, John. If you want any idea as to what sort of equipment a FEMA camp would really have you can ask me. 
I’m in a FEMA unit in the National Guard. Also, make sure there is a Miloch soldier zombie in the computer room (it’s where I’d be).
Hey this is great, I was looking for someone who actually knew how FEMA camps looked like so I could actually make them accurate.
Right now I have got this tents and structures:
-Two large mess hall tents.
-A concrete building with rations stockpiled inside it, with as a small distribution center, kitchen, and a small office.
- A field hospital made of 4 tents.
-An armory concrete building surrounded by the soldier’s tents. - A radio tower
These structures are surrounded by a concrete wall with two entrances. Think of it as a wall built by this type of barriers - Outside the wall there are refugee tents which are then surrounded by a chain gate.
Mostly wanted to know what else would be missing, also where would the computer room be located at?
Well I need to be more specific. I would be working in the command cell that helps organize everything. The military portion of the camp would be using these tents. They are fitted together to form a long interconnected serious of tents. Not sure this is possible with the current game.
http://www.drash.com/Products/Shelters.aspx
Near this will be a satellite dish and a communications shelter. A common Satellite dish.
STT: http://www.rockwellcollins.com/~/media/Files/Unsecure/Products/Product%20Brochures/Communcation%20and%20Networks/SATCOM/STT%20data%20sheet.aspx
This is usually attached to a router/modem stack via some long wires. These would probably be located in the tents.
Now the civilian gear will differ depending on the organization called in. The tents used to house civilians could vary widely. They will most likely be whatever is most easily available. Could even be DRASH tents.
You’ll have multiple trailer mounted generators around the tents powering them. They run on JP8 (So do most military vehicles) which is a relative of diesel. We don’t really need another fuel type.
Texas National Guard uses a JISCC but that’s specific to this state.
https://www.facebook.com/media/set/?set=a.391111830905481.113536.216825741667425&type=3
Something you’d probably see in this kind of situation is a decon team. I don’t know much about them. I believe there are civilian and military decon teams.
The “computer room” is going to be the command tent.
As for how the camp is setup that is up to them each time.
Let me know if you have any specific questions.
Also for outer barriers they’d probably have triple strand concertina wire in a situation that they have security concerns.
This page has a picture.
http://www.alibaba.com/product-detail/ISO-certified-triple-strand-concertina-wire_2002045912.html?s=p
We used those cement barriers heavily in Iraq. We called them T-Walls. I don’t know if they have many of them in the US. Wouldn’t be terribly hard to make though. I’ve climbed on top of them and run Cat-5 wires.
Actually I’m in the field all this week. Will see if I can get permission to take pictures.