ORDER OF BATTLE // April 20, 1961
Bay of Pigs invasion
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 26,500 estimated
United States
1,500
Medium-confidence figure
Cuba
25,000
Medium-confidence figure
Battle context
The Bay of Pigs Invasion was a failed U.S.-backed amphibious landing on the southwestern coast of Cuba carried out by Cuban exile forces organized under the Democratic Revolutionary Front. Approximately 1,500 U.S.-supported personnel faced Cuban forces numbering around 25,000, resulting in the operation's defeat and casualties on both sides. The failure carried direct consequences for Cold War alignments: it affected the triangular relationship among Cuba, the United States, and the Soviet Union at a moment of peak superpower tension. The episode demonstrated the limits of covert-backed regime change and exposed the constraints on U.S. influence in the Western Hemisphere, reinforcing Cuba's revolutionary government under Castro and shaping the strategic calculations that followed in subsequent Cold War confrontations.
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