Thanks for the reply.....

Central Dome:

The Central Dome will occupy the middle of the superstructure in this model seen here in a top view image

https://i.imgur.com/0GHdunT.jpg


And in the rough placement on the upper deck:

https://i.imgur.com/KDpqBJS.jpg


Now I need to find the Aquila template from my old Warlord work????