On 12 December 1930, R-19 left Pearl Harbor for the Philadelphia Navy Yard. En route she called at San Diego; voyaged south to the Panama Canal Zone; negotiated the Panama Canal; then voyaged north through the Caribbean Sea and the coastal waters of the US East Coast; and, finally, up Delaware Bay and the Delaware River to Philadelphia.
on 12 december 1930 r-19 left pearl harbor for the philadelphia navy yard en route she called at san diego; voyaged south to the panama canal zone; negotiated the panama canal; then voyaged north through the caribbean sea and the coastal waters of the us east coast; and finally up delaware bay and the delaware river to philadelphia