Short answers, pulled from the story.
Officials announced the formal creation of the Korean People's Army on the 8th of February 1948. This event occurred seven months before North Korea declared its government on the 9th of September 1948.
Autumn battles saw the loss of 70,000 men from their original force of 100,000 soldiers. U.S. amphibious landings at Incheon triggered this collapse.
Kim Jong Il became Supreme Commander of the KPA on the 24th of December 1991. Four months later he earned Marshal rank while his father became Grand Marshal.
Five main branches make up the Korean People's Army today including Ground forces, Naval Force, Air defense, Strategic Force, and Special Operations Forces. The Air and Anti-Air Force branch carried this name until April 2022.
Male citizens face ten-year conscription terms under North Korean law. Soldiers complete three years active service before returning home.