| 41. | One of her new techniques, the use of airborne surveillance, presaged modern hunter-killer antisubmarine warfare.
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| 42. | For the next twelve years, was primarily engaged in testing and evaluating sonar equipment and antisubmarine warfare weapons.
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| 43. | Otherwise, she cruised along the eastern seaboard and in the West Indies conducting training particularly in antisubmarine warfare.
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| 44. | Her sinking of six Japanese submarines in twelve days is a feat unparalleled in the history of antisubmarine warfare.
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| 45. | Navies use a variety of acoustic systems, especially passive, in antisubmarine warfare, both tactical and strategic.
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| 46. | She arrived the next day for duty with TG 27.1, training new escort vessels in antisubmarine warfare.
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| 47. | During 1959 she served with Task Force " Alfa, " concentrating on the development of improved antisubmarine warfare techniques.
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| 48. | There, her duties included services to aircraft and surface ships to help them hone their skills in antisubmarine warfare.
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| 49. | Emphasis in antisubmarine warfare resulted in " Spinax " s being converted to a Fleet Snorkel submarine.
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| 50. | After an eight-day refit, she provided services as a target for destroyer / antisubmarine warfare training exercises.
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