Analyst Note:
The munition depicted in this image is a type of aerodynamically optimised artillery projectile, in this case 155 mm in calibre, known as an ‘Extended Range Full-Bore (ERFB)’ design. This example is a cargo projectile fitted with a base-bleed (BB) base unit to further extend its range. This configuration is designated NR269, and reportedly contains 56 M46 dual-purpose (anti-personnel/anti-armour) submunitions. (ARES)
The bottom or rear surface of the munition is level, even, or lacking curvature.