outer-wing joint
21The prehistory of endurance UAVs — The idea of designing an Unmanned Aerial Vehicle (UAV) that could remain in the air for a long time has been around for decades, but only became an operational reality in the twenty first century. Endurance UAVs for low altitude and high altitude …
22Lockheed CL-1200 — infobox Aircraft name = CL 1200 Lancer/X 27 type = Interceptor national origin=United States manufacturer = Lockheed Aircraft Corporation caption = X 27 mock up in a Lockheed Corporation hangar designer =Clarence L. Kelly Johnson first flight =… …
23Prairie Falcon — Taxobox name = Prairie Falcon image width = 250px image caption = Adult bird showing underwing pattern. Photograph by Nick Anich. status = LC status system = iucn3.1 regnum = Animalia phylum = Chordata classis = Aves ordo = Falconiformes familia …
24Airspeed Envoy — AS.6 Envoy The last surviving Airspeed Envoy, operated by Private Charter Ltd at …
25B-17 Flying Fortress variants — The following is an extensive catalogue of the variants and specific unique elements of each variant and/or design stage of the Boeing B 17 Flying Fortress heavy bomber. For a broader article on the history of the B 17, see B 17 Flying Fortress.… …
26Kawasaki P-1 — XP 1 (P X) XP 1 with P 3C Role Maritime patrol aircraft Manufacturer …
27international 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… …
28Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …
29muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
30Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
