Major Upgrade of Naval Environmental Test Facility Inaugurated by Deputy Chief of Naval Staff Major Upgrade of Naval Environmental Test Facility Inaugurated by Deputy Chief of Naval Staff The Defence Testing Infrastructure required for realisation of ‘AatmaNirbhar Bharat’ in Defence sector, got a major boost with inauguration of the upgraded Naval Environmental Test Facility (NETF) by Vice Admiral MS Pawar, Deputy Chief of the Naval Staff on 04 February 2021. While common test facilities for Climatic and Dynamic testing of military equipment are available in public and private sector, a critical gap existed in the country with regard to qualifying the equipment for turbulence experienced by ships and submarines at higher sea states which induce platform motion in six degrees of freedom – Roll, Pitch, Yaw, Heave, Surge and Sway.