INS Dega of Eastern Naval Command ensured that the joint-user airfield at Visakhapatnam remains open round the clock amid national lockdown. The manning of the airfield has been modified to ensure that all requisite safety services and airfield facilities continued to be available.<br />''  <br />'' It has ensured that all special flights as well as the cargo flight of Spice Jet to continue its operations unhindered. 15 sorties of the cargo flight have been operated since enforcement of lockdown.<br />''  <br />