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McConnell AFB entrance displaying THREATCON DELTA on the day of the 9/11 attacks. In United States military security parlance, the force protection condition (FPCON for short) is a counter-terrorist (otherwise known as antiterrorism (AT for short)) [1]:1 threat system employed by the United States Department of Defense.
At high-subsonic flight speeds, the local speed of the airflow can reach the speed of sound where the flow accelerates around the aircraft body and wings.The speed at which this development occurs varies from aircraft to aircraft and is known as the critical Mach number.
The AUV allows survey companies to conduct precise surveys of areas where traditional bathymetric surveys would be less effective or too costly. Also, post-lay pipe surveys which include pipeline inspection are possible. The use of AUVs for pipeline inspection and inspection of underwater man-made structures is becoming more common.
A river delta is so named because the shape of the Nile Delta approximates the triangular uppercase Greek letter delta.The triangular shape of the Nile Delta was known to audiences of classical Athenian drama; the tragedy Prometheus Bound by Aeschylus refers to it as the "triangular Nilotic land", though not as a "delta". [8]
Delta-v is typically provided by the thrust of a rocket engine, but can be created by other engines. The time-rate of change of delta-v is the magnitude of the acceleration caused by the engines, i.e., the thrust per total vehicle mass. The actual acceleration vector would be found by adding thrust per mass on to the gravity vector and the ...
1. The Best Sonic Breakfast Item: Cinnabon Cinnasnacks. Price: $3.59. Calories: 570. These are dangerous, and by far the best item on Sonic's menu. The filling is lights-out, and the dough’s ...
In 1945, Rockwell Manufacturing Company acquired Delta Machinery and renamed it the Delta Power Tool Division of Rockwell Manufacturing Company and continued to manufacture in Milwaukee. In 1966, Rockwell invented the world's first power miter saw. In 1981, Rockwell's power tool group was acquired by Pentair and re-branded Delta Machinery.
Fairey Delta 2 adapted to test the ogival delta wing for Concorde. BAC TSR-2: United Kingdom: Turbojet: Attack: 1964: Prototype: 1: Tactical Strike/Reconnaissance ...