Buchanan (DDG 14) - Naval Cruise Book

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I i 2 i SN Finger checks the automatic operation of the magazine lower hoist system Another conference to discuss the failure. 62 solution of a gun system Always time for a coffee break!

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AS Division i'Sonar Qontact! The first words of the sonar stack operator heard over the ship's 29lVlC warn of an impending anti-submarine warfare action and is the signal which sends l3UCHANAN's ASW attack team into motion. At that point the highly trained and competent professionalism of AIS Division is brought to bear, as the contact is evaluated, tracked, and simulated attacks are carried out. This has been the job of the sonar gang while off the coasts of Vietnam and Korea. Additionally, while in the Tonkin Gulf, the sonar team was ever watchful for underwater explosions or hydrophone effects iunderwater sounds generated by small surface craft, generally constituting the first warning of a P.T. boat attackl. Sonar was also especially important while anchored in Danang Harbor, as the intense, low frequency sound which filled the surrounding water was capable of rendering a swimmer helpless, which did much to prevent underwater sabotage while the ship was engaged in naval gunfire support. The next step after achieving sonar contact, of course, is the employment of the ship's ASW weapons. This is the job of the ASROC gunner's mates and torpedomen. ASROC lstanding for Anti-Submarine Rocketl is the latest thing in anti-submarine weaponry and constitutes BUCHANAN's primary long range weapon. The surface launched torpedo tubes carry a variety of fish which constitute the secondary long range and primary short range weapons system. AIS Division had an opportunity to demonstrate its weapon employment skills this cruise while operating briefly on the BARSTUR range near Pearl Harbor, Hawaii. Hits were achieved during exercise firings of both an ASROC and a lVlK46 surface launched torpedo. All in all it was a busy cruise, met with quiet efficiency by BUCHANAN's AIS Division personnel whose motto throughout the arduous deployment was we can do it. , IH!! Asw oiflflcen LTJG SCHIERIVIAN 63 . ., f.. ...mg . , . nv. ' F - -, -,fn -: f .,