https://www.defensehubnewsletter.com/p/brief-028-ukraine-lead-iran-taiwanDefenseHuben2026-10-04T11:01:27+00:00BRIEF 028 | UKRAINE lead · Iran · Taiwan · Korea · Oct 4https://www.defensehubnewsletter.com/p/operation-vivaldi-how-small-ukrainianDefenseHuben2026-10-03T11:00:10+00:00Operation Vivaldi: How Small Ukrainian Teams Are Taking Ground Inside the Drone Kill Zone Near Lyman