Ayup. And most of the troops left by May 29, 1973. Most.
Not all.
There were still 50 Army troops left in the beginning of 1974. On paper. Those 50 were mostly Embassy staff and couriers. And they could be counted.
There were a number of Air Farce personel still on the ground in October of 73. Not a huge number...several thousand. Most were based in Thailand. There were also radio/communications staff. Im sure Mr Terril will back that up.
This does not include Christians in Action personel and other similar groups.
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March, 1973 "The last American combat soldiers leave South Vietnam, though military advisors and Marines who are protecting U.S. installations, remain. '
Shrug....its those "military advisors" that folks seldom talk about. Or admit to. Generally "military advisors" connected to the Christians in Action.
Gunner