Michael O’Byrne’s Counter Insurgency Support Office (CISO) procured Seiko watch (serial numbered 852824) that was issued to him during his tour. The veteran had added a general direction W.C.CO. compass to the wrist band.
In 1969, Michael D. O’Byrne served with 5th Special Forces Group (ABN), Project Gamma (B-57) and later transferred to Military Assistance Command Vietnam Studies and Observations Group (MAC V SOG), Command and Control North (CCN), as the Special Projects Officer until he joined Recon Team Rhode Island.
Michael returned to Vietnam for a second tour in 1972 with D -Troop 17th Cavalry as a Liaison Officer to the Army of the Republic of Vietnam (ARVN) Command and later transferred to F-Troop, 8th Calvary, Scout Platoon.
(0-4) Major O’Bryne processed out of the Army in May 1980 after 13 years’ service with twenty-four months in Vietnam. Mike transferred to the Army Reserves and retired in 1995 with the rank of Lieutenant Colonel (0-6).