multiple-screw ship
21ROKS Cheonan sinking — Four photos show damage to the ROKS Cheonan clockwise from upper left: (1) stack damage; (2) front portion (port side) showing the break point; (3) water pressure marks on the hull bottom; (4) a large fragment is lifted from the sea. Date 26… …
22Maritime history of California — History of California This article is part of a series Timeline …
23Santa Fe Railroad Tugboats — The Santa Fe Railroad barged rail cars across the San Francisco Bay for much of the 20th century as there is no direct rail link to the San Francisco peninsula. In the post World War II period a fleet of three tugs moved the barges: the Paul P.… …
24environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
25United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
26List of United States Marine Corps acronyms and expressions — This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps. Many of the words or phrases have varying levels of acceptance among different units or… …
27List of Marvel Family enemies — Through his adventures, Fawcett Comics/DC Comics superhero Captain Marvel and his Marvel Family gained a host of enemies, including the following: Contents 1 Acrobat 2 Adolf Hitler 3 Amoeba Family …
28History of the United States Navy — United States Navy …
29Naval history of Japan — History of Japan Paleolithic 35,000–14,000 BC Jōmon period 14,000–300 BC Yayoi period 300 BC–250 AD Kofun period 250– …
30Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
