During development of the firefighting variant of a new Be-200 amphibious multipurpose aircraft, designers had to solve a wide range of technica...
The Permit-class (named after the SSN-594) submarines, originally known as the Thresher class (till the loss of SSN-593 ), were a class of nucle...
The USS Thresher (SSN-593) was the lead boat of her class of attack nuclear submarines in the United States Navy. Sadly, it also becomes the fir...
