After steamboat success, he was urged to work on submarine-launched torpedoes by Pres. Jefferson
[DOC] [TLE] maritime history | Hoosier State Chronicles: Indiana's Digital ... [PAR] Feb 24, 2016 ... On July 30, 1945, just after the vessel delivered the components of Little Boy  
the atomic bomb dropped on Hiroshima  a Japanese torpedo sent the 
Indianapolis .... Confederate President Jefferson Davis approved a plan to target 
....