M1A2 Abrams v1 retrofit: same silhouette/materials/pivots; detachable panels, crew wells, recoil rig and tank-damage/v1 swaps.
Healthy 159,586 triangles; damage 108,917; wreck 32,519; dimensions 9.77 × 3.66 × 2.44 m.
Healthy materials: Paint, Rubber, Steel, Tracks, Glass, Lamps, Weapons; damage: Paint, Burnt, Scars, TrackSteel, Rubber.
Textures: healthy base/normal <=1024 px, ORM 512 px; damage <=512 px except unchanged Paint; Cycles OPTIX tiled bakes.
Poly Haven CC0: metal_plate_02, rusty_metal_03, rubberized_track; https://polyhaven.com/license ; original cached textures copied without modifying v1.
Differences: original short transport antennas and lowered roof fittings retained; damage is authored generic battle damage, no insignia.