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.
![Don't shoot, we're Republicans" - The Strange Tale of the US Destroyer Which Almost Assassinated The President Don't shoot, we're Republicans" - The Strange Tale of the US Destroyer Which Almost Assassinated The President](http://www.warhistoryonline.com/wp-content/uploads/sites/64/2016/11/uss_iowa_bb-61_preps-640x509.jpg)
Don't shoot, we're Republicans" - The Strange Tale of the US Destroyer Which Almost Assassinated The President
![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)