Prohibited areas contain airspace of (defined dimensions, refined dimensions) within which the flight of aircraft is (allowed, prohibited).
defined dimensions; prohibited
Areas are established for security or other reasons associated with the (national welfare, international welfare)
national welfare
Prohibited areas are published in the (Federal Register, Government Register) and are depicted on (aeronautical charts, ground charts)
Federal Register; aeronautical charts
The prohibited areas charted as a (P, PP) followed by a (label, number)
P; number (ex P-40)