Gulf Of Guinea, Africa
The Gulf of Guinea is an inlet of the Atlantic Ocean off the west coast of Africa, notable in the UAP record as the site of the 1902 Fort Salisbury USO encounter — one of the most striking early-20th-century maritime sightings catalogued in the historical USO literature and cited by UAP Gerb as compelling evidence that anomalous transmedium objects were being observed by credible maritime witnesses well before the modern UAP reporting era.
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The Fort Salisbury USO Sighting (1902)
In 1902, four crew members aboard the British vessel Fort Salisbury observed a massive cigar-shaped object approximately 200 meters in length sinking into the ocean in the Gulf of Guinea. The object was extraordinary in scale — at the time, no submarine in existence approached anything close to that size, and contemporary submarine technology was in its earliest stages, with vessels measuring only tens of feet in length. The sheer dimensions of the observed object placed it well outside any conventional military or commercial explanation available in 1902.
The Fort Salisbury encounter is cited in analyses of historical USO sightings as evidence that transmedium craft of anomalous size were being observed by credible maritime witnesses well before modern UAP reporting frameworks existed. UAP Gerb highlighted the case as one of the more significant entries in the pre-Blue Book historical record, noting that the size discrepancy between the object and any known technology of the era cannot be dismissed as misidentification of known vessels. The 200-meter scale in particular was a key detail UAP Gerb flagged: the largest warships of 1902 were battleships of approximately 130–140 meters in length, meaning the observed object exceeded even those vessels in size, and submarines of the period were measured in tens of feet rather than hundreds of meters.
Significance in USO Research
The Gulf of Guinea sighting represents one of a cluster of historical maritime encounters examined in UAP Gerb's survey of USO cases spanning from Christopher Columbus's era through the late 20th century. The US Hydrographic Bureau documented USO cases during this period, and the British Navy Admiralty maintained records of anomalous maritime phenomena reported by ship crews across multiple ocean regions. The Fort Salisbury case falls within a broader pattern of credible, multi-witness maritime sightings that UAP Gerb argues cannot be adequately explained by the prosaic hypotheses typically applied — ball lightning, bioluminescence, or misidentification of known vessels.
The encounter also predates the reporting suppression mechanisms such as OPNAV 3820 and JANAP 146C that limited documentation of USO cases in the Project Blue Book era, suggesting that its preservation in maritime records represents an unfiltered account from an era before institutional suppression of such reports.