Literature
Five Dollars Buys Five Eyes
Tax dollars assessed and collected provide the budget used to purchase (I used dollars in this sentence because I am an American citizen, obviously this is true regardless of a reader's nation of origin or its currency standard) all government owned property, as well as pay for the research, development, and operation using such. Storage of data resulting from these actions is also paid for in whole by this revenue stream.
Therefore, every person who is a legal resident (not only citizens) who has paid taxes once at least is a legal co-owner of these.
This does not grant access to usage of physical equipment for personal possession and use - even in the unlikely event that you have officially paid enough in taxes to cover the entire costs of a military fighter jet, a demand for its use for personal reasons (transportation of self or goods, arrangement of demonstration for recording and entertainment purposes, carpet bombing of the boy who called you fat in 7th grade and his