penetrate under radar coverage
21navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
22Naval weaponry of the People's Liberation Army Navy — The People s Liberation Army Navy (PLAN) is the naval branch of the People s Liberation Army (PLA), the armed forces of the People s Republic of China. The PLAN force consists of approx. 250,000 men and over a hundred major combat vessels,… …
23Sukhoi Su-30MKK — Infobox Aircraft name=Su 30MKK caption= Venezuelan Su 30MK2 type= Multirole Fighter, Strike fighter, Heavy class fighter manufacturer=KnAAPO designer=Sukhoi first flight= introduced=December 2000 retired= status=Active service primary user=People …
24Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …
25brazil — /breuh zil /, n. brazilwood. [1350 1400; ME brasile < ML < It < Sp brasil, deriv. of brasa live coal (the wood being red in color) < Gmc; see BRAISE] * * * Brazil Introduction Brazil Background: Following three centuries under the rule of… …
26Brazil — Brazilian /breuh zil yeuhn/, adj., n. /breuh zil /, n. a republic in South America. 164,511,366; 3,286,170 sq. mi. (8,511,180 sq. km). Cap.: Brasília. Portuguese and Spanish, Brasil. Official name, Federative Republic of Brazil. * * * Brazil… …
27Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
28U.S. Carrier Group tactics — Naval tactics have played a crucial role in modern battles and wars. The presence of land, changing water depths, weather, detection and electronic warfare, the speed at which actual combat occurs and other factors especially air power render… …
29Distress radiobeacon — PLB redirects here. For other uses, see PLB (disambiguation). Emergency position indicating radio beacons or EPIRBs Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and… …
30Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
