There wasn't an army commander on the spot, because there was never going to be a big battle over such a small garison.
The commander of the garrison was Major Robert Anderson. He was taking orders from the General-in-Chief Winfield Scott, and the Commander-in-Chief, who was the newly-inaugurated Abraham Lincoln.
No, Fort Sumter was a Union defeat, and not at all close.
The Attack on Fort Sumter in April 1861 Began the American Civil War. Confederate Brigadier Gen. Beauregard demanded the surrender of the Union garrison of Ft. Sumter in Charleston, SC.
Fort Sumter
The garrison of Fort Sumter was of 80 men.
confederate soldier fire on union troops in fort sumter.
The combined garrisons of Fort Sumter and Fort Moultrie was 86 men.
Gen. Pierre Gustave Toutant Beauregard for the South and Major Robert Anderson for the Union.
The Union forces at Fort Sumter were under the command of Major Robert Anderson.
Major Robert Anderson was the commanding officer of the Union soldiers during the Battle of Fort Sumter.
Gen Anderson
The North had control untill Major Anderson surredered the fort to the south.
Maj. Gen. Quincy Gillmore Fort Sumter was under the command of Major Robert Anderson at the start of the Civil War.