Construction and commissioning R-19s keel was laid down by the Union Iron Works of San Francisco on 23 June 1917. She was launched on 28 January 1918 sponsored by Mrs. Robert L. Irvine, and commissioned on 7 October 1918.
Construction and commissioning R-19s keel was laid down by the Union Iron Works of San Francisco on 23 June 1917 She was launched on 28 January 1918 sponsored by Mrs Robert L Irvine and commissioned on 7 October 1918