U.S. Naval Institute - #OTD in 1943, the destroyer USS William D. Porter accidentally launched a live torpedo at the USS Iowa which was carrying President Franklin Roosevelt to the Tehran Conference.
![USS William D Porter (DD-579), the most wildly unlucky ship in the American fleet. The most egregious error she made nearly resulted in the assassination of FDR. [931x768] : r/WarshipPorn USS William D Porter (DD-579), the most wildly unlucky ship in the American fleet. The most egregious error she made nearly resulted in the assassination of FDR. [931x768] : r/WarshipPorn](http://i.imgur.com/ELNSq6F.jpg)
USS William D Porter (DD-579), the most wildly unlucky ship in the American fleet. The most egregious error she made nearly resulted in the assassination of FDR. [931x768] : r/WarshipPorn
![Photo] Destroyer USS William D Porter lay mortally wounded by a Japanese special attack aircraft that hit the water close aboard without striking the ship but exploded beneath the ship, off Okinawa, Photo] Destroyer USS William D Porter lay mortally wounded by a Japanese special attack aircraft that hit the water close aboard without striking the ship but exploded beneath the ship, off Okinawa,](http://ww2db.com/images/57e5adb959b75.jpg)
Photo] Destroyer USS William D Porter lay mortally wounded by a Japanese special attack aircraft that hit the water close aboard without striking the ship but exploded beneath the ship, off Okinawa,
![File:USS William D. Porter (DD-579) before her launch at the Consolidated Steel Corporation, Orange, Texas (USA), on 27 September 1942.jpg - Wikimedia Commons File:USS William D. Porter (DD-579) before her launch at the Consolidated Steel Corporation, Orange, Texas (USA), on 27 September 1942.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/3/3c/USS_William_D._Porter_%28DD-579%29_before_her_launch_at_the_Consolidated_Steel_Corporation%2C_Orange%2C_Texas_%28USA%29%2C_on_27_September_1942.jpg)
File:USS William D. Porter (DD-579) before her launch at the Consolidated Steel Corporation, Orange, Texas (USA), on 27 September 1942.jpg - Wikimedia Commons
![USS Porter: The luckless Destroyer That Almost Torpedoed The President of the United States | SOFREP USS Porter: The luckless Destroyer That Almost Torpedoed The President of the United States | SOFREP](https://i0.wp.com/cms.sofrep.com/wp-content/uploads/2022/04/800px-USS_Iowa_1943.jpg?resize=800%2C586&ssl=1)
USS Porter: The luckless Destroyer That Almost Torpedoed The President of the United States | SOFREP
![File:USS William D. Porter (DD-579) sinking after a Kamikaze attack off Okinawa, 10 June 1945.jpg - Wikimedia Commons File:USS William D. Porter (DD-579) sinking after a Kamikaze attack off Okinawa, 10 June 1945.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/49/USS_William_D._Porter_%28DD-579%29_sinking_after_a_Kamikaze_attack_off_Okinawa%2C_10_June_1945.jpg)
File:USS William D. Porter (DD-579) sinking after a Kamikaze attack off Okinawa, 10 June 1945.jpg - Wikimedia Commons
![USS William D. Porter sinking off the coast of Okinawa, 1945 | The Digital Collections of the National WWII Museum : Oral Histories USS William D. Porter sinking off the coast of Okinawa, 1945 | The Digital Collections of the National WWII Museum : Oral Histories](https://49fe30bb3aa7406c16dc-5c968119d095dc32d807923c59347cc2.ssl.cf1.rackcdn.com/2013.495.417_1.jpg)
USS William D. Porter sinking off the coast of Okinawa, 1945 | The Digital Collections of the National WWII Museum : Oral Histories
![LCS(L) surrounding the sunken USS William D. Porter off the coast of Okinawa, Japan, 1945 | The Digital Collections of the National WWII Museum : Oral Histories LCS(L) surrounding the sunken USS William D. Porter off the coast of Okinawa, Japan, 1945 | The Digital Collections of the National WWII Museum : Oral Histories](https://49fe30bb3aa7406c16dc-5c968119d095dc32d807923c59347cc2.ssl.cf1.rackcdn.com/2013.495.792_1.jpg)
LCS(L) surrounding the sunken USS William D. Porter off the coast of Okinawa, Japan, 1945 | The Digital Collections of the National WWII Museum : Oral Histories
![File:USS William D. Porter (DD-579) off the Charleston Naval Shipyard, South Carolina (USA), on 24 September 1943.jpg - Wikimedia Commons File:USS William D. Porter (DD-579) off the Charleston Naval Shipyard, South Carolina (USA), on 24 September 1943.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/USS_William_D._Porter_%28DD-579%29_off_the_Charleston_Naval_Shipyard%2C_South_Carolina_%28USA%29%2C_on_24_September_1943.jpg/1200px-USS_William_D._Porter_%28DD-579%29_off_the_Charleston_Naval_Shipyard%2C_South_Carolina_%28USA%29%2C_on_24_September_1943.jpg)
File:USS William D. Porter (DD-579) off the Charleston Naval Shipyard, South Carolina (USA), on 24 September 1943.jpg - Wikimedia Commons
![After the crew of the USS William D. Porter (DD-579) nearly sank the USS lowa (BB-61) while FDR was onboard the lowa en route to Cairo and Tehran, the crew of the After the crew of the USS William D. Porter (DD-579) nearly sank the USS lowa (BB-61) while FDR was onboard the lowa en route to Cairo and Tehran, the crew of the](https://imageproxy.ifunny.co/crop:x-20,resize:640x,quality:90x75/images/06d5327864bd30aa3c0298a1ced253c939906e763f2b981379640ce01f2487c8_1.jpg)