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Lockheed 117A stealth fighter



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Primary Mission: Deep Penetration / Strike

 

First flown in June 1981, this is a highly classified stealth reconnaissance attack aircraft, of which some 56 are in operation with the USAFs 4450th Tactical Group at Nellis AFB Nevada. The F-117A features a radar absorbent airframe*, twin canted tailfins * to help mask the above fuselage engine nozzles, and internal weapons bay, and a flush cockpit. The aircraft cannot use radar because of its stealth mission, so navigation is by the Global Positioning System.

 

· Crew: one pilot;

· Powerplant: 2 General Electric F404-GE-400 turbofan engines (unknown rating);

· Max Level Speed: unknown;

· Range: unknown;

· Armament: estimated weapons load is 45,000 lbs;

 

* Notes:

deep penetration - здесь проникновение в глубину обороны

противника

radar absorbent airframe - корпус с применением радиопоглощающих

материалов

twin canted tailfins - хвостовое оперение из двух плоскостей под

углом

LESSON 14

Jet Transport Takeoff

ACTIVE TERMS AND EXPRESSIONS

 


To position

Takeoff

Runway

Throttle

To advance

Acceleration

In a blur

Impressive angle meticulously calculated

Raw power

Strictly physical interpretation

Square of the velocity

Equation

Newton's second law of motion

Identity

Inversely proportional

Airport elevation


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