UN Fleet

As far as I understand it the UN does have its own fleet.
In time of crisis national units may be placed under UN control and
slotted into their organisation. This would suggest that the peacetime
UN is very top heavy, with far more brass and REMFs than would be
required for its fleet size.
The problems would be legion, logistics, C^3I, NSL captains refusing to
take orders from the FSE commadore, the FSE refusing to take orders from
anyone...
Michael