This is “Bet-Shemesh Engines Ltd.”, a company that is owned between Pratt & Whitney and Ormat Turbines.

-They produced the Marboré VI for the Magister aircraft belonging to the Israelian Airforce, and parts and support for the J-52, F-100, Allison 250, J-79, JT-8 y PW1120. They also built their own turbojets known as the Bet-Shemesh “Sorek-4”.

"BEL Sorek-4"

-El “Sorek-4” is an expendable engine for target vehicles, cruise missiles, etc.

-It is a very small sized subsonic engine (Mach 0.9) and made for a maximum altitude of 33,000 feet. Sometimes it was called “Shorek-4”.