Contents: (1) Intro.; (2) Background: Rationale for the PGS Mission; PGS and the U.S. Strategic Command; Potential Targets for the PGS Mission; Conventional BM

The authors assess alternatives for a next-generation intercontinental ballistic missile (ICBM) across a broad set of potential characteristics and situations.

Hypersonic missiles--specifically hypersonic glide vehicles and hypersonic cruise missiles--are a new class of threat because they are capable both of maneuveri