Dec 67
12 — 3RAR Advance Party flew from Adelaide to Saigon.
16 — 3RAR Main Body departed Outer Harbour Port Adelaide on HMAS Sydney.
27 — 3RAR Rear Party departed Adelaide by air.
27 — 3RAR Main Body disembarked at Vung Tau and moved to Nui Dat
28 — 3RAR Rear Party arrived at Vung Tau and moved to Nui Dat.
Jan 68
6 — 3RAR Op Balaklava
9-11 — 3RAR Op Bordertown.
29 — C Coy, 3RAR moved to FSPB Harrison, Bien Hoa Province (Op Coburg) .
31 — Enemy Lunar New Year (Tet) Offensive commenced with widespread attacks on major cities and installations in South Vietnam.
Feb 68
1 — Task Force Base mortared. Viet Cong battalion (D445) in occupation of Phuoc Le (Baria) .
l-2 — A Coy, 3RAR in action at Baria with 3 Troop A Squadron 3 Cavalry Regiment.
3-6 — D Coy, 3RAR in action in Long Dien with 2/52 ARVN Rangers.
5 — B Coy, 3RAR in contact in Hoa Long.
7-9 — B Coy, 3RAR in action in Baria and Long Dien.
10 — 3RAR relieved 7RAR in Bien Hoa province (Op Coburg)
18 — Mortar and ground attack on FSPB Andersen.
28 — Mortar attack on FSPB Andersen.
Mar 68
1 — 3RAR returned to Nui Dat from Op Coburg.
3 — Commemorative service for 3RAR and supporting arms members killed in action in Long Dien and during Op Coburg.
8 — 3RAR, less D Coy, commenced Op Pinnaroo.
17 — D Coy, 3RAR joined Op Pinnaroo.
Apr 68
9 — Main Body 1RAR arrived in South Vietnam. Main Body 7RAR departed for Australia.
12 — D Coy, 3RAR returned from Op Pinnaroo.
15 — Op Pinnaroo completed.
21 — 3RAR commenced Op Toan Thang (Phase 1)
May 68
3 — 3RAR returned to base from Op Toan Thang (Phase 1)
10 — 3RAR continued Op Toan Thang (Phase 1) relieving 2RAR at FSPB Andersen
13 — 3RAR occupied blocking position 20 miles north-north- east of Saigon. Mortar and ground attack on FSPB Coral.
16 — Enemy regimental mortar and ground attacks on FSPB Coral.
24 — 3RAR moved to FSPB Balmoral.
26 — Mortar attack on FSPB Coral. Mortar and battalion ground attacks on FSPB Balmoral.
28 — Regimental mortar and ground attacks on FSPB Balmoral by 165 Regiment 7th North Vietnamese Army Division.
Jun 68
1 — Main Body 4RAR arrived in Vung Tau on HMAS Sydney. Main Body 2RAR departed for Australia.
5 — 3RAR returned to base from Op Toan Thang (Phase 1).
14 — D Coy, 3RAR cordon and search in Long Dien.
25-30 — B Coy, 3RAR participated in Op Ulladulla with C Squadron 1st Armoured Regiment.
Jul 68
3 — 3RAR relieved 1RAR in AO Birdsville Op Toan Thang (Phase 2).
18 — 3RAR redeployed into AO Yass to commence Op Merino.
24 — 3RAR returned to base from Op Merino.
29 — C Coy, 3RAR cordon and search north-east Hoa Long.
Aug 68
2-13 — 3RAR Op Platypus.
22 — Outskirts of Saigon rocketed. 1RAR and tanks in contact with Viet Cong occupying Long Dien.
23 — 3RAR Op Magnetic, Long Son Island.
28 — 3RAR Op Diamantina (until 5 Sep)
Sep 68
6 — B and D Companies relieved 1RAR companies in defensive tasks in the vicinity of Baria and Long Dien (Op Nowra).
10 — A Coy, 3RAR relieved C Coy 1RAR on land-clearing Ops in AO Warburton.
15 — B Coy, 3RAR returned from Baria Stadium defence task.
19-25 — C Coy, 3RAR Route 2 security Op Ngai Giao area.
24 — D Coy, 3RAR returned from Long Dien.
28 — 3RAR tactical HQ, B and D Companies inserted into FSPB Cedar to commence Op Windsor.
29 — C Coy, 3RAR flown in to join Op Windsor.
Oct 68
2 — A Coy, 3RAR returned from land-clearing Ops AO Warburton.
6 — A Coy, 3RAR flown in to join Op Windsor.
12 — Op Windsor concluded, 3RAR redeployed into AO Garran to commence Op Capital.
21 — A, B and D Companies returned from Op Capital.
22 — 3RAR HQ and C Coy returned from Op Capital. 161 Fd Bty redeployed to FSPB Wilton.
25 — C Coy, 3RAR commenced Op Harvest.
27 — 3RAR HQ group and D Coy joined Op Harvest.
29 — 3RAR Advance Recce Party returned by air to Australia.
30 — A Coy, 3RAR deployed into AO Rapier on Op Diamond Pin.
Nov 68
2 — 3RAR HQ, C and D Companies returned from Op Harvest. A Coy, 3RAR returned from Op Diamond Pin.
5 — 9RAR Advance Party (150) arrived at Nui Dat. 3RAR Advance Party (146) returned to Australia by air.
19 — 9RAR Rear Party (40) arrived at Nui Dat. 3RAR Rear Party (40) returned to Australia by air.
20 — 9RAR Main body arrived at Nui Dat ex HMAS Sydney. 3RAR Main Body (417) departed on HMAS Sydney for Australia.
Dec 68
2 — 3RAR Main Body disembarked Outer Harbour Port Adelaide, South Australia