missile-to-target speed ratio
41nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
42F-86 Sabre — Infobox Aircraft name=F 86 Sabre caption=A North American F 86 during the Oshkosh Air Show type=Fighter aircraft manufacturer=North American Aviation designer= first flight= 1 October 1947 introduced=1949, USAF retired=1994, Bolivia status=… …
43Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …
44F-15 Eagle — Infobox Aircraft name=F 15 Eagle type=Air superiority fighter manufacturer=McDonnell Douglas / Boeing IDS caption=USAF F 15 over Washington, D.C designer= first flight=July 27, 1972 introduction=January 9, 1976 retired= number built=… …
45F-8 Crusader — Infobox Aircraft name=F 8 (F8U) Crusader caption=United States Navy F 8 from VF 154 Black Knights type=Fighter aircraft manufacturer=Vought designer= first flight=25 March 1955 introduced=March 1957 retired=19 December 1999 primary user=United… …
46Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
47Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …
48Sukhoi Su-25 — infobox Aircraft name = Su 25 caption =Russian Air Force Su 25T type = Close air support aircraft manufacturer = Sukhoi Design Bureau designer = first flight = 22 February 1975 (T8) introduced = 1981 retired = status = Active service primary user …
49A-6 Intruder — Infobox Aircraft name = A 6 Intruder type = Attack aircraft manufacturer = Grumman caption =The A 6E Intruder designer = first flight = 19 April 1960 introduced = 1963 retired = 1997 primary user = United States Navy more users = United States… …
50international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
