| 41. | His first post was as an anti-submarine warfare instructor.
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| 42. | In 1958, he was commissioned to study anti-submarine warfare.
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| 43. | The helicopter was developed for ferrying and anti-submarine warfare.
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| 44. | It was previously designated as aviation anti-submarine warfare operator.
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| 45. | This film is considered a classic depicting submarine warfare.
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| 46. | That group, which worked on problems involving submarine warfare, drew on Spencer's expertise in hydrodynamics.
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| 47. | This phenomenon is an important factor in submarine warfare.
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| 48. | Other roles include search and rescue and anti-submarine warfare.
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| 49. | The exercises cover anti-aircraft and anti-submarine warfare, air combat and deck landings, the statement said.
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| 50. | Captain Royal E . Ingersoll, later anti-submarine warfare capabilities.
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