On July 19, 1952, the attention of Customs Inspector Sr. Domingo Troncoso was called to a very strange cigar-shaped flying object over the river area. The big dirigible-shaped craft was flying horizontally and fairly low in the sky, passing from right to left from the observers position. It was leaving a dense trail of thick smoke, vapor, or substance on its wake. The object was estimated to be over a hundred feet long. View full report