For the Platoon (platoons) level of command (theatre of Operations) ToO No1, I propose:
Nam Dong, Lang Vei, Dak To, A Shau, Plei Mei - these were just some of the places Special Forces troops fought and died for during their 14-year stay in South Vietnam. It was a stay that began in June 1956 when the original 16 members of the 14th Special Forces Operational Detachment entered Vietnam to train a cadre of indigenous Vietnamese Special Forces teams. In that same year, on October 21, the first American soldier died in Vietnam - Captain Harry G. Cramer Jr. of the 14th SFOD.
Throughout the remainder of the 1950s and early 1960s, the number of Special Forces military advisors in Vietnam increased steadily. Their responsibility was to train South Vietnamese soldiers in the art of counterinsurgency and to mold various native tribes into a credible, anti-communist threat. During the early years, elements from the different Special Forces groups were involved in advising the South Vietnamese. But in September 1964, the first step was taken in making Vietnam the exclusive operational province of 5th Group when it set up its provisional headquarters in Nha Trang. Six months later in February, Nha Trang became the 5th's permanent headquarters. From that point, Vietnam was mainly the 5th's show until 1971 when it returned to Fort Bragg.
http://www.globalsecurity.org/milita...c-history4.htm
AFTER ACTION REPORTS
163 pages of after action reports. Reports include:
After Action Report for 5th Special Forces Group - February 17, 1963: This Report covers the establishment of Civilian Irregular Defense Group.
After Action Report for Operation CORONADO X, January 18 through February 12, 1968: Just before the 1968 lunar new year (Tet) truce, the 2nd Brigade of the 9th Infantry Division launched riverine operations in the marshlands of the Mekong Delta under the code name CORONADO X. An Army-Navy mobile riverine force searched out the Viet Cong's main force and local battalions in a combination of riverine, search and destroy, patrolling, and interdiction operations. When the Viet Cong violated the temporary truce by attacking eight major cities in the delta, the mission of the mobile riverine force was refocused toward crushing the Tet offensive. In Operation CORONADO X new equipment and techniques had to be developed for tactical mobility and fire support in the delta area, where conventional techniques were only marginally effective. The terrain was, for the most part, inundated. Swamps, rice paddies, irrigation ditches, rivers, and canals, while inhibiting the mobility of regular U.S. forces, had been used to advantage by the enemy.
http://www.specialoperations.com/His...m/Default.html
http://newark.rutgers.edu/~natalieb/vietnam.htm
http://www.militaryunits.com/vietnam.htm