Weekly Defence Dispatch: India-Japan seal first defence co-development pact, Pakistan threatens war over Indus waters, China masses missiles near LAC and more: As Japan and India launch their first-ever joint defence project during PM Takaichi's New Delhi visit, Pakistan escalates threats over the Indus Waters Treaty and China accelerates its mega-dam near Arunachal alongside a missile build-up on the LAC, Firstpost tracks the week's key developments — revelation of covert Russia-China military training that raises hard questions for Delhi, the Army's new 'Baaz' drone battalions, a leadership reshuffle placing new commanders at India's most sensitive border command, DRDO's new financial powers framework, an indigenous SAR system and aerostat closing India's border-surveillance gaps, and a naval port call in Seychelles that fits quietly into the MAHASAGAR push. #Defence #IndiaJapan #PakistanThreats #IndusWaters #ChinaMilitary