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 become President.
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.
George Washington was the first President and so by the US Constitution was Commander-in-chief of the army and navy and state militias.
Becuase the president is the Commander in Chief of the army.
commander in chief
The first president, George Washington was commander-in-chief, as are all presidents since this is a constitutional power.
George Washington 1st President
Franklin Roosevelt was the first commander in chief of the United States Army when in war with the Imperial Japanese Army.
The Army and the Navy
Commander in Chief .
Post 1947, the President is always the Commander-in-Chief of the Indian army
George Washington was the first , since he was the first President. Article II, Section Two, Clause One of the US Constitution empowers the President of the US as the Commander in Chief. (Washington was also the commander-in-chief of the Colonial Army )