This article has been modified to rectify an error in the earlier version Like numerous Indian warships before it, the navy’s newest anti-submarine warfare (ASW) corvette, INS Kiltan, joined the fleet on Monday without equipment crucial for discharging its primary role – detecting and destroying enemy submarines.

The Kiltan, like two predecessor ASW corvettes, INS Kamorta and INS Kadmatt, was commissioned by Defence Minister Nirmala Sitharaman in Visakhapatnam without “advanced towed array sonar” (ATAS), essential for detecting enemy submarines in the ...