Check out USAF B-36 Peacemaker Bomber B36 of Cold war Low-poly 3D model on CGTrader for $24.2. High-quality mesh by ShuyangXi: 18354 polys, 26757 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 519 KB), FBX (Autodesk FBX, filesize: 1.3 MB), 3DS (3D Studio, filesize: 486 KB), MAX (Autodesk 3ds Max, filesize: 103 MB), SPP (Substance Painter, filesize: 666 MB)