Article I gives Congress the power to "raise and support armies" as well as "to provide and maintain a navy," but does not say anything about an Air Force. Is the US Airforce unconstitutional?
a) Yes, as it exceeds the enumerated powers granted to Congress
b) No, as the Air Force is a necessary and proper means to fulfill the constitutional powers
c) Yes, as the Constitution does not explicitly mention an Air Force
d) No, as the Air Force falls under the broader category of military forces