Depth charge — For other uses, see Depth charge (disambiguation). Mark IX Depth Charge used by the U.S. Navy late in World War II. Unlike the cylindrical, barrel shaped depth charge used earlier, the Mark IX is streamlined and equipped with canted fins to… … Wikipedia
depth charge — noun Date: 1917 an antisubmarine weapon that consists essentially of a drum filled with explosives which is dropped near a target and descends to a predetermined depth where it explodes called also depth bomb … New Collegiate Dictionary
Moving target indication — (MTI) is a mode of operation of a radar to discriminate a target against clutter. [1] In contrast to another mode, stationary target indication, it takes an advantage of the fact that the target moves with respect to stationary clutter. The most… … Wikipedia
Impact depth — The physicist Sir Isaac Newton first developed this idea to get rough approximations for the impact depth for projectiles travelling at high velocities. TOC Newton s approximation for the impact depthNewton s approximation for the impact depth… … Wikipedia
Defence-in-depth (Roman military) — Defence in depth is the term used by American political analyst Edward Luttwak (born 1942) to describe his theory of the defensive strategy employed by the Late Roman army in the 3rd and 4th centuries AD. Luttwak s Grand Strategy of the Roman… … Wikipedia
Field Target — is an outdoor air gun discipline originating in the United Kingdom, on the late 1980s, but gaining popularity worldwide.UK RulesIn UK (United Kingdom) rules, competitors aim to shoot the small “kill” zone that forms part of a larger metal… … Wikipedia
Security Target — In an IT product certification process according to the Common Criteria (CC), a Security Target (ST) is the central document, typically provided by the developer of the product,that specifies security evaluation criteria to substantiate the… … Wikipedia
submarine — n. /sub meuh reen , sub meuh reen /; adj., v. /sub meuh reen /, n., adj., v., submarined, submarining. n. 1. a vessel that can be submerged and navigated under water, usually built for warfare and armed with torpedoes or guided missiles. 2.… … Universalium
2010 Copiapó mining accident — Copiapó mining accident redirects here. For the 2006 accident in the Carola Agustina mine, see 2006 Copiapó mining accident. 2010 Copiapó mining accident Rescue efforts at San José Mine near Copiapó, Chile on 10 August 2010 Date … Wikipedia
Cinematography — Cinematographic redirects here. For the 2007 rock album, see Cinematographic (album). Cinematography (from Greek: kinema κίνημα movement and graphein γράφειν to record ) is the making of lighting and camera choices when recording photographic… … Wikipedia