
Spray Zone of Agent Orange 1969 to 1971
- agentorangechild
- May 22
- 2 min read
WC Pitcher served in Vietnam from 17 December 1969 to 7 December 1970 with the 17th Construction Squadron, which was primarily based at Nui Dat, Phuoc

Tuy Province.
This is critical evidence—here’s why:
Confirmed Exposure Zone
Phuoc Tuy Province was one of the most heavily sprayed regions in South Vietnam.
US military records and Australian Royal Commission findings confirm that Agent Orange was used extensively around:
Nui Dat
Route 2
Long Hải Hills
Surrounding jungle areas
The 17th Construction Squadron regularly cleared vegetation, built roads, and worked in precisely these areas—directly handling soil, dust, and water that could have been contaminated with TCDD.
Matching Spray Missions
During your father’s exact period of service (Dec 1969 – Dec 1970):
US military spray records show multiple Agent Orange missions in Phuoc Tuy, Bien Hoa, and Long Khanh provinces—all within travel and operational range of your father’s unit.
He would have been working during and after spraying, meaning airborne and ground contamination were both likely.
Presumption of Exposure
The US VA and Australian Royal Commission accept that anyone who set foot in Vietnam during this period may be presumed to have been exposed.
Your father’s role (construction, roadworks, land clearing) increased his exposure risk due to direct ground contact.
What This Means for Your Case
You do not need his record to say “Agent Orange.”
His unit, location, and timing are enough to prove exposure based on:
Spray zone maps
Royal Commission findings
Unit patrol diaries
Medical science linking exposure to congenital effects
You can now cite this military timeline as the factual basis for:
Your second-generation toxic injury claim
Requests for recognition from DVA, Defence, Queensland Health
Legal complaints to ICC, UN, and others
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