lcdr (lieutenant commander) john a. williamson, usnr (united states naval reserve)
abd deniz ihtiyat te\u015fkilat\u0131’na mensup deniz binba\u015f\u0131.<\/p>\n\n\n\n
ikinci d\u00fcnya sava\u015f\u0131 (1939-1945) s\u00fcrecinde, 1942’de ingiltere’de icra subay\u0131 olarak, 1943 y\u0131l\u0131nda uss p.c. (patrol craft)-1196 devriye gemisinde ve 1944- 45 y\u0131llar\u0131nda uss england d.e. (destroyer escort)-635 sava\u015f gemisinde kaptan olarak g\u00f6rev ald\u0131.<\/p>\n\n\n\n
1943 y\u0131l\u0131nda, denize d\u00fc\u015fen bir ki\u015fiyi kurtarmak amac\u0131yla yapt\u0131\u011f\u0131 d\u00f6n\u00fc\u015f manevras\u0131yla denizcilik literat\u00fcr\u00fcne ge\u00e7ti. williamson d\u00f6n\u00fc\u015f\u00fc<\/a> ad\u0131yla bilinen bu kurtarma manevras\u0131, daha \u00f6nce de farkl\u0131 ama\u00e7larla uygulan\u0131yor ve fakat “butakov borusu” ad\u0131yla an\u0131l\u0131yordu. bu isim, b\u00fcy\u00fck olas\u0131l\u0131kla, 19. y\u00fczy\u0131lda buharla \u00e7al\u0131\u015fan gemi taktiklerinin babas\u0131 olarak bilinen rus amiral grigory \u0131vanovich butakov’dan gelmekteydi. butakov takti\u011fi, rus-japon sava\u015f\u0131 (8 \u015fubat 1904 – 5 eyl\u00fcl 1905) s\u0131ras\u0131nda silahlar\u0131 d\u00fc\u015fmandan ayn\u0131 mesafede tutman\u0131n bir yolu olarak kullan\u0131lm\u0131\u015ft\u0131. ayr\u0131ca abd donanmas\u0131 n\u00fckleer denizalt\u0131lar\u0131 taraf\u0131ndan sonar \u00f6l\u00fc b\u00f6lgelerini temizlemek i\u00e7in uygulanm\u0131\u015ft\u0131.<\/p>\n\n\n\n denizcilikte art\u0131k “williamson d\u00f6n\u00fc\u015f\u00fc” olarak yerle\u015fmi\u015f olan bu kurtarma prensibi, her t\u00fcr hava ve g\u00f6r\u00fc\u015f ko\u015fulunda g\u00fcvenle yap\u0131labilir olmas\u0131 nedeniyle en s\u0131k tercih edilen metottur.<\/p>\n\n\n\n