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Royal Navy upgrade Merlin helicopters to a compact variant
The Mk4/4a variant is optimised for ship storage, featuring a folding main rotor and tail, and improved capabilities for ...
Infobae2y
RUAS-160: what is it like and how much is the Argentine unmanned helicopter used in defense and in the field
The device was jointly designed by three companies and is an unmanned rotary-winged helicopter, compact and with great autonomy. Cicaré, Argentine helicopter manufacturer; Invap, a state-owned ...