Building a space navy

Force Size
It is nice that we have ships and fleets. What is connected to it?
Physical people & infrastructure
Manning strategy
How many people does it take to man your ships?
How big is our pool of potential candidates?
Both large and small crews have advantages and disadvantages.
Are the people volunteers or draftees?
What are the benefits?
Are the ships fully crewed in peace times?
How many reservists do you have?
What is the ratio between officers and enlisted personnel? Are they divided into those categories or now?
Organic Support Function
What can the fleet do by itself and for how long before resupply is needed?
What are the logistics like?
What kind of re-supply ships we have?
Do we have space factories?
Can we mine from asteroids as we go along?
Shore Infrastructure
Home ports, shipyards, ground/space facilities, depos, etc.
How many do we have?
How concentrated or spread is it?
How about our industry?
How big is the military industrial complex?
How often do we build spaceships?