Scope and Contents

One hundred and eleven slides document John Mountcastles's tours of duty in Vietnam in 1967 with B Company, 1st Battalion, 69th Armor, 3rd Brigade, 25th Infantry Division (changed to 3rd Brigade, 4th Infantry Division in August 1967) and on his second tour as an Advisor with MACV Advisory Team 3 with the 7th Armored Cavalry ARVN and later as a G3-Air Advisor with Headquarters, 1st ARVN Infantry Division (Sept. 1969 to Sept. 1970).

Biographical / Historical

Brigadier General John Wyndham Mountcastle's first tour in Vietnam was December 1966 to December 1967 as platoon leader and then as Executive Officer of B Company, 1st Battalion, 69th Armor, 3rd Brigade, 25th Infantry Division (changed to 3rd Brigade, 4th Infantry Division in August 1967). On his second Vietnam tour September 1969 to September 1970, he served as an Advisor with MACV Advisory Team 3 with the 7th Armored Cavalry ARVN and later as a G3-Air Advisor with Headquarters, 1st ARVN Infantry Division .