13 June 2025 Modern Trenches, Modern Threats: Combat Engineering in the Drone Age SKRUNDA, Latvia – As part of exercise Baltic Operations (BALTOPS) 2025, U.S. Navy Seabees, U.S. Marines from 8th Engineer Support Battalion (ESB), and Latvian Army engineers are constructing a fortified trench network designed for survivability in a drone-contested battlespace. The project...