No Congress does not have the power to appoint the Commander in Chief. The Commander in Chief is the President and US citizens have the power to elect the President.
According to the Constitution, the president is Commander in Chief of the army and navy; this has been interpreted to grant different powers aside from actually directing the war. He also has the power to formulate treaties and appoint ambassadors (a power he shares with Congress), as well as the power to meet with ambassadors in wartime.
president
The President is, under the Constitution, the commander in chief of the armed forces. He also has the power to appoint judges and other officials and has the power to veto legislation.
The War Powers Act.
The President's job is to execute the laws passed by Congress, represent the country in foreign affairs, commander in chief of the military, and appoint executive officers and members of the judiciary. For more on the president's power see the link below discussing Article II of the Constitution.
Commander-In-Chief
These examples illustrate two Constitutional powers in action. We see the power of checks and balances by Congressional power to declare war, rather than it be an executive decision. We also see a separation of powers as the president is the commander of all forces, rather than Congress.
1 The ability to veto acts of congress or if you prefer a different one 2 Commander in chief of the military
the president is the Commander in Chief (The Big Boss) of the military. However, it takes an act of Congress to actually declare war.
The President is designated the Commander-in-Chief and Congress has the authority to declare war. The President has the power to negotiate treaties while the Senate has the right of ratification. Congress has the power to pass legislation while the President has veto power over legislation. The Supreme Court has the power of judicial review. The President has the power to appoint Ambassadors and Officers while the Senate has confirmation authority. All of the above ?
The President is designated the Commander-in-Chief and Congress has the authority to declare war. The President has the power to negotiate treaties while the Senate has the right of ratification. Congress has the power to pass legislation while the President has veto power over legislation. The Supreme Court has the power of judicial review. The President has the power to appoint Ambassadors and Officers while the Senate has confirmation authority.
The Articles of Confederation needed a congress to appoint and enforce the laws. They needed that because the Articles did not have enough power to appoint or enforce the laws.