Which president was the first commander in chief of the US army and navy?
George Washington was the first president to command the army,
but there was no operational US Navy during his presidency. The US
Navy was established in 1794, but had no ships until the first
frigate "United States" was completed in 1797, when John Adams had
The Constitution specifies that the President is the
Commander-in-Chief of the military. The first US President (George
Washington) was thus the first Commander-in-chief of whatever
military forces were in place at the time.