Photo credits: Naval Historical Center
 Alvin and Aluminaut in the well deck of either the Fort Snelling or the Plymouth Rock. The two submersibles were berthed together until Aluminaut’s tender arrived. |
 Aluminaut. The sub could dive deeper and longer than Alvin, but was less maneuverable. |
 Alvin. Longtime mechanic George Broderson affectionatelycompared the sub to a toilet bowl. |
 The bright-yellow Cubmarine worked well, but could only dive to 600 feet. |
 POODL: task Fore 65’s first bomb recovery device. The acronym stands for “Pitts, Moody and Lindbergh,” the three men who designed it. |
 CURV: the torpedo-recovery device that ultimately recovered bomb #4 |