Nag - Definition and Overview

Nag (Hindi for "cobra") is India's third generation anti-tank missile. It is an all weather missile with a range of 4 to 6 km. Capable of defeating modern armour, Nag uses Imaging Infra-Red (IIR) guidance having both day and night capability. Nags can be mounted on an infantry vehicle and a helicopter launched version is also available.

Separate versions for the Army and the Air Force are being developed. For the Army, the missiles will be carried by specialist carrier vehicles equipped with a thermal imager for target acquisition. It can carry four missiles at a time. For the Air Force, a nose-mounted thermal imaging system has been developed for guiding the missile's trajectory.

Other meanings:

• To nag is a well-known verb describing persistent accusing talk.
• In fiction, Nag is the name of a cobra in Rudyard Kipling's story "Rikki Tikki Tavi".
• A nag is an old female horse.
• An abbreviation for N-ACETYL-GLUCOSAMINE.
• NAG is the Numerical Algorithms Group Ltd (http://www.nag.co.uk).