INDIAN ARMED FORCES CHIEFS ON OUR RELENTLESS AND FOCUSED PUBLISHING EFFORTS

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— General Upendra Dwivedi, Indian Army Chief

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— Admiral Dinesh Kumar Tripathi, Indian Navy Chief

Since, its inception in 1964, SP Guide Publications has consistently demonstrated commitment to high-quality journalism in the aerospace and defence sectors, earning a well-deserved reputation as Asia's largest media house in this domain. I wish SP Guide Publications continued success in its pursuit of excellence.

— Air Chief Marshal A.P. Singh, Indian Air Force Chief
       

Navantia Passes the First Safety Milestone of the S-81 Submarine: The Power-up

Issue: 5-2020
The Electrical Distribution Networks, both the main and Emergency Ones, of the Submarine have been put into operation

Navantia shipyard in Cartagena has successfully carried out the power-up activity tests to the S-81 “Isaac Peral” submarine. The S-81 is the first of four S-80P class submarines under construction for the Spanish Navy by Navantia. This is a relevant safety-related commissioning milestone prior to delivery. The power-up is the very first time in which the boat is electrically energised. This involves the start-up of the main electricity distribution networks, as well as the emergency systems, which allow the gradual electrification of all the submarine’s equipment. The Power-up is carried out in order to check the submarine’s correct operation, both individually and integrated along with the rest of its equipment.

The S-80P submarines are 3,000 tonne non-nuclear submarines provided with a revolutionary third generation Air Independent Propulsion (AIP) system, powerful attack capabilities including heavy weight torpedoes, mines and submarine launched anti-ship and cruise missiles, etc. This is quite an exceptional performance, in fact, the capacity to launch submarine cruise missiles (SLCM) is unique for non-nuclear NATO submarines. The S80P submarines are proposed as baseline for the P75(I) project for India. The S-81 shall be launched during the spring of 2021, as planned.