Centaur is an optionally-piloted aircraft, or OPA. The reporter conducted the test while sitting in the back seat of the small, twin engine aircraft. Up front sat a person acting as the safety ...

It is also known as the “Optionally Manned Fighting Vehicle” which hints towards drone warfare here. In this informative military video we’ll find out about all the new specifications ...

Hindustan Construction Company today said that the shareholders have approved conversion of loan into equity shares or optionally convertible debentures pursuant to implementation of RBI's scheme ...