The admirable charts of the Yankee Coast and Geodetic Survey" he sneered "show no break in the south beach of the island, between the ocean and the ponds. But there is one. The sea made the breach during a gale, our people helped with a little Trotyl, tides and storms did the rest.

The first United States vessel to reach the lagoon found only charred remains of a landing stage and several buildings and, at the bottom of the lagoon, an incoherent mass of wreckage, a twisted and shattered chaos of steel plates and framework that might possibly have been a perfectly sound submarine, though sunken, had somebody not been warned in ample time to permit its destruction through the agency of trinitrotoluene, that enormously efficient modern explosive nicknamed by British military and naval experts "T.N.T.," and by the Germans "Trotyl."