What is home decor acessories?

Lamps, vases, Pictures, mirrors, statues, carpets, Almost anything that isn't strictly functional and necessary.Decorate to suit yourself. If you rent, you need landlord's permission to paint or make structural changes. Best to get it in writing.

If you are in the field of military then I am sure your room will be military home decor made. You can keep stuff like military wall plaque, magnifier, something like a spittoon or may be a horn.