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.
They did not appoint a General-in-Chief till 1865, when it went to Robert E. Lee. The Confederate president, Jefferson Davis, considered himself a notional General-in-Chief.
president
president
It will be the chief minister.
President appoint the chief election commisioner officer.
Lafayette
In most cities, the city council or the mayor appoint the chief of police.
NO
William Howard Taft
He appointed Grant as General-in-Chief in March 1864.
William Renquist