First rapid pro­to­type tor­pedo warn­ing sys­tem test­ing on board CVN


USS Ge­orge H.W. Bush (CVN 77) and Naval Sea Sys­tems Com­mand (NAVSEA) PMS 415’s Sur­face Ship Tor­pedo De­fense (SSTD) team be­gan at-sea test­ing and data col­lec­tion of the rapid pro­to­type tor­pedo warn­ing sys­tem (TWS) and coun­ter­mea­sure an­ti­tor­pedo (CAT) sys­tem, March 19.

This marks the first air­craft car­rier em­ploy­ment of the TWS, which was in­stalled dur­ing the ship’s re­cent planned in­cre­men­tal avail­abil­ity (PIA) pe­riod.

The TWS was streamed in or­der to col­lect acous­tic data and fine-tune the sys­tem. The SSTD team, led by PMS 415 Pro­gramme Man­ager, Capt. Moises DelToro, has worked on this high pri­or­ity Chief of Naval Op­er­a­tions (CNO) sys­tem in or­der to be op­er­a­tional for CVN 77’s up­com­ing de­ploy­ment. Cap­tain DelToro and the SSTD Team have been ex­tremely im­pressed and grate­ful for the sup­port, en­thu­si­asm, and pro­fes­sion­al­ism shown by the ship’s crew mem­bers dur­ing the test­ing and in­stall pe­riod.

The TWS/CAT was pre­vi­ously tested only on board smaller ships, such as de­stroy­ers, but in 2011 Chief of Naval Op­er­a­tions (CNO), Adm. Jonathan Green­ert, ap­proved the sys­tem for use on board air­craft car­ri­ers. USS Ge­orge H.W. Bush was cho­sen to be the first to test and op­er­ate this rapid pro­to­type sys­tem.

Ac­cord­ing to Brad Robin­son, TWS/ CAT fleet li­ai­son, the at-sea test­ing is a ma­jor mile­stone. “We are able to put this ar­ray into the water and col­lect valu­able data to en­hance our soft­ware and make it a much more re­li­able alert sys­tem when it goes on de­ploy­ment,” said Robin­son. “We are col­lect­ing noise and acous­tics that we were un­able to pre­vi­ously col­lect.”

Over the next few months, CVN 77 will con­tinue to test the TWS/CAT, al­low­ing sailors an op­por­tu­nity to in­crease their knowl­edge of the sys­tem and en­sure safe op­er­a­tion in the fu­ture.

“Our sonar tech­ni­cians (sur­face) are learn­ing how to work and use the sys­tem this week. We’re really ex­cited to have it on board,” said Cmdr. An­drew Wal­ton, the ship’s op­er­a­tions of­fi­cer. “While the NAVSEA team is em­barked they’ll be able to make ad­just­ments for fu­ture op­er­a­tion based on the lessons learned.”

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