submarine acoustics
61Pitometer log — Pitometer logs (also known as pit logs) are devices used to measure a ship s speed relative to the water. They are used on both surface ships and submarines. Data from the pitometer log is usually fed directly into the ship s navigation… …
62Atlantic Ocean — an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere. ab. 31,530,000 sq. mi. (81,663,000 sq. km); with connecting seas ab. 41,000,000 sq. mi. (106,100,000 sq. km);… …
63Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
64Hydrophone — A hydrophone (Greek hydro = water and phone = sound ) is a microphone designed to be used underwater for recording or listening to underwater sound. Most hydrophones are based on a piezoelectric transducer that generates electricity when… …
65Marine snow — Underway recovery of a sediment trap used to collect marine snow and estimate export production In the deep ocean, marine snow is a continuous shower of mostly organic detritus falling from the upper layers of the water column. It is a… …
66Philip M. Morse — Philip McCord Morse, (Aug 6, 1903 Sep 5, 1985) was an American physicist, administrator and pioneer of operations research (OR) in World War II. He is considered to be the father of operations research in the U.S. Biography Morse graduated from… …
67Acoustic Doppler Current Profiler — Head of an ADCP with the four transducers ADCP view ahead, mo …
68John Kenneth Hilliard — Infobox Person name = John Kenneth Hilliard residence = Los Angeles, California; Anaheim, California other names = imagesize = caption =photo courtesy of Todd W. White birth date = October, 1901 birth place = Wyndmere, North Dakota birth name =… …
69USS Bonita (SSK-3) — USS Bonita (SSK 3/SS 552), a Barracuda class submarine, was the fourth ship of the United States Navy to be named for the bonito, any of several types of fish, including the skipjack tuna, Katsuwonus pelamis , the Atlantic bonito ( Sarda sarda ) …
70USS Bass (SSK-2) — USS Bass (SSK 2/SS 551), a Barracuda class submarine, was the second ship of the United States Navy to be named for the bass, an edible, spiny finned fish. Bass was laid down by the Mare Island Naval Shipyard. She was launched on 2 May 1951 as K… …
