280mm Atomic artillery shell "Atomic Annie"

This is the projectile from the only tested atomic artillery cannon https://en.wikipedia.org/wiki/W9_(nuclear_warhead) there was scarce information out there for this one, so I primarily based my model off of the non- nuclear version of the shell ( https://www.bulletpicker.com/projectile_-280mm-he_-m124-(t1.html) photo credits: By US DoE, US DoD - https://www.osti.gov/biblio/1467305-army-nukes , Public Domain, https://commons.wikimedia.org/w/index.php?curid=112125382