Because of this new geometry, the W88 primary uses compact conventional high explosives (CHE) to save space, rather than the more usual, and bulky but safer, insensitive high explosives (IHE).
由于这种新的结构，W88的初级核弹使用了压缩的常规高爆炸药以节省空间 而不是通常的虽然巨大，但是更安全的不敏感高爆炸药。