Russia tries to jolt its sluggish Su-57 warplane production

MOSCOW — A production plant key to Russia’s fifth-generation Su-57 aircraft program has opened new facilities aimed at scaling up the sluggish delivery tempo, state-owned aerospace conglomerate United Aircraft Corporation announced. Officials have put into operation...

NATO taps Exail for mine-clearing underwater drones

MILAN — The NATO Support and Procurement Agency has placed a new order for underwater robots capable of finding and clearing naval mines to be used by two European alliance members. The Belgium division of the underwater drone producer Exail Robotics announced this...

Ukraine counts on missile-drone hybrid to strike deep into Russia

KYIV, Ukraine — Ukraine says it has a new long-range weapon to strike deep into Russia without asking permission from allies — a homegrown combination of missile and drone that the defense minister vowed Monday would provide “answers” to a wave of Russian bombings....