: Actually in MACV SOG terminology, FOB stood for
: Forward Observation Base.

Lynn, you can make it stand for anything you want. I don't know, myself, so I have to go with what actual Special Forces and SOG operators say the letters "FOB" stood for:

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SOG
John L. Plaster
Simon & Schuster 1997

"FOB (Forward Operating Base) Permanent SOG camp where Special Forces and Mercenary troops were housed and trained."
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SPECIAL FORCES OF THE US ARMY 1952/1982
LTC Ian D.W. Sutherland (Ret.)
Bender Publishing 1990

"...an SF Operational Detachment "C" may form a Forward Operating Base (FOB) closer to the AO..."
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INSIDE THE GREEN BERETS
Charles M. Simpson III
Presidio Press 1983

"The command and control center was in Danang at Marble Mountain, and forward operating bases (FOBs) were usually located in Special Forces CIDG camps along the border, such as Kham Duc, Khe Sanh, and Kontum."
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Other people made it stand for whatever they thought it stood for, which is fine. Me, I'll go with whatever Plaster, Sutherland, and Simpson say it stood for.

Bob