VLADIVOSTOK, Oct. 15 -- Russian and Indian warships are due to rehearse a simulated hijacking and an attack by drone boats in the Sea of Japan on October 16 and 17, in an exercise whose size depends on which ministry is describing it.

Russia's Defense Ministry said Indra 2026 opened on Wednesday in the Chelyabinsk Region and the Far East, with ground forces of both countries, warships of both navies and Russian Aerospace Forces aircraft taking part, TASS reported. The Russian corvette Aldar Tsydenzhapov and the Indian frigate INS Sahyadri, which reached Vladivostok several days earlier, took part in the opening ceremony of the maritime phase at the Pacific Fleet's main base, the ministry said.

India's Ministry of Defence, in a statement...