North Korean People’s Army (NKPA) with 135,000 troops cross South Korean border to confront Republic of Korea (ROK) Army of 98,000; NKPA forces made up of seven division and five brigades, and air force of 100 to 150 Soviet-made aircraft; the NKPA crossed at 4 a.m. Korean Time; U.S. Ambassador John Muccio reports attack to U.S. State Department at 9:20 a.m. (EDT)