companies were organized. Korea 1950 Yokohama Japan – Early July 1950 Company A's 1st Platoon 77TH HTB deployed South Korea as 8th Army's 8064th Heavy Tank (Provisional)Tank Platoon. Equipped with three M26 tanks. 1st Platoon engaged North Korean troops near Chinju with heavy casualties during UN Defensive campaign. Yokohama Japan – August 1950 Company A 77th HTB redesignated Company A 77th Medium Tank Battalion (77th MTB). Company A's 1st (-), 2nd and 3rd Platoons with replacements expanded to three complete tank companies for training with M4A4E8s tanks in Yokohama area. Early September Company A 77th MTB was redesignated 17th, 31st and 32nd Regimental Tank Companies assigned to 7th ID infantry regiments. Inchon South Korea – Regimental tank companies 17th, 31st and 32nd (77th MTB) participated in Operation Chromite (UN Offensive campaign), Inchon-Seoul landings September 1950 supporting left flank of 1st Marines Division. Units advanced into the City of Seoul and south forward Pusan in heavy fighting. Hostilities for tankers ended by 30 September. By early October regimental tank units had redeployed for refitting and maintenance in the Pusan area. Iwon-Hungnam North Korea – Tankers (77th MTB) participated Iwon-Hungnam Landings November 1950 during UN Offence campaign. Starting 9 November 17 and 32 Tankers (77th MBT) land at Iwon in support of infantry. Deployed north toward Cho-ri area on North Korean coast. November 32 Tank Company (77th MBT) supported infantry in campaign in Pujon (Fusen) Reservoir area. Battle of Kapsan – 15 November 17th Tank Company (77th MTB) supported infantry crossing Ungi River. Attack in Kapsan area. 20 November reach Hyesanjin City on Yalu River along China's southern border with North Korea. 31 November Tank Company (Task Force Mclean/Fath) support infantry campaign in Changjin (Chosin) Reservoir area. Battles for Hill 1221 November. Night battle at Haguru-ri December. December 1950 – Chinese (CCF Intervention campaign) troops attacked across Yalu River. All tank companies with infantry redeploy to Hungnam for evacuation from North Korea. Vietnam 1968 South Vietnam I Corp – July 1968 1st Battalion 77th Armor (1–77) deployed from Fort Carson Colorado USA to Wunder Beach, Quảng Trị Province, South Vietnam. Mid-August Battalion deployed to positions in Leatherneck Square south of the Vietnamese Demilitarized Zone (DMZ) in support of 3rd Marine Division infantry operations during heavy fighting. US Army FRAG ORDER 5 to OPORD 2–68 Sign by PICKARTS LTC and THOMAS S-3 1–77 YD 139615 1700 hours 31 Aug 1968 1. MISSION. TF