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Army Aerospace Engineer Work On Unmanned Aerial Vehicle / Drone. Uniformed Aviation Expert Using Laptop. Industrial Facility with Surveillance, Warfare Tactics, Attack Machine. Elevated Shot

Aviation mechanic examining and repairing helicopter in hangar, inside of engine close view. Air vehicle inspection and maintenance concept

Engineers check aerodynamics of new development drone in laboratory for modern modifications using wind tunnel with steam. Computer system for changing parameters. Concept of manufacturing UCAVs.

An aircraft mechanic lies under the helicopter and repairs it in the hangar

Military IT engineer collecting intelligence from world map projection, tablet connected to radar CCTV system to support soldiers in the field. Dispatch federal defense agency control room. Close up.

Senior female engineer repairing and maintaining jet airplane.

Aircraft Technician inspecting and working in the main electronics bay of a 757 commercial airplane.

Aircraft mechanic repairs an aircraft engine in an airport hangar

an aircraft mechanic is servicing the plane in the workshop

Side view of a professional aviation mechanic performing a routine inspection of the aircraft bottom

Airplane mechanic repairing a airplane in the airport hangar

Person walking towards plane standing in hangar, view from behind.

Senior adult aircraft maintenance technician repairing private helicopter turbine with adjustable wrench. Male aerospace engineer working in hangar, using work tool, side view

Two Aircraft engineers and mechanics in the hangar repairing and maintaining private helicopter.

The black male aircraft mechanics use hand tools to work on inspection and do maintenance of an airplane, Aircraft technician examining a plane in the hangar

Young Caucasian Male Engineer Installs Powerful Processor in the Drone and Types on Laptop. Designing Unmanned Aerial Vehicle in Modern Laboratory. Technological Breakthrough in Aviation Concept.

Airplane mechanic inspecting and checking the technology of a jet engine in the hangar at the airport.

Project Engineer train Inspect the train's diesel engine, railway track in depot of train

Aircraft engineer repairing and maintaining an airplane jet engine

Pilot checking the technical condition of the aircraft before departure

Senior mechanic working on helicopter in hangar

Airport workers check an aircraft for safety in a hangar

Airplane engineer working in an airport hangar on aircraft engine of a private jet.

Team of three aircraft engineers repairing and maintaining jet airplane.

$An American Airlines Boeing B777-323(ER) plane, registration N727AN, has just arrived at the international terminal gate of Sydney Kingsford-Smith Airport as flight AA73 from Los Angeles. The blades of her engine have stopped moving. One of the ground crew carries out a procedure on the nose gear. Other ground crew will place chocks around the wheels, while someone else will spend time inspecting the landing gear using a torch. The serial number \$

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