Article 243 of the Constitution of 1973 is about:

Loyalty to the State is the basic duty of every citizen

Federal Government shall have control and command of the Armed Forces

defend Pakistan against external aggression or threat of war

An oath of armed forces members

None of these

Article 243: “Federal Government shall have control and command of the Armed Forces”, with the president acting as its ceremonial head.

Article 244: Oath of no engagement of armed forces member in “political activities whatsoever”.

Article 245: “defend Pakistan against external aggression or threat of war” and “act in aid of civil power when called upon to do so”.