Instruct: Retrieve semantically similar text.
Query: The S-99 (Russian: С-99 ) experimental submarine was the only ship of the Soviet Project 617 submarine class (NATO reporting name: Whale class) that the Soviet Union built during the early Cold War and the only Soviet submarine which had a Walter engine fuelled by high test peroxide (HTP).
The S-99 was built by the Soviet Union
a 1994 electric water heater is likely to be installed with a good dip tube
There is only a single constituent.
Still not sure. 
There is only one ingredient.
There is a decision that must be made
The hazardous substance wasn't left alone
there was a report
they are talking about a sahrk only
USS "Kamehameha is a submarine
russia created only 3 types of submarines
There was an issue being investigated
There will be a trial.
It was not a very large one
The Toti class are submarines
Only one of them is sleepy.
the thing mentioned is limp 
a 1995 electric water heater is likely to be installed with a good dip tubes
There is an issue.
a decision has been made on the subject
parts is only one thing
gtmo is a national embarassment
the s-99 was the 4th sub project by russia in the cold war
the walter engine was invented in 1943
the cold war saw the most inventions by russia