The document provides background on the Navy Aegis ballistic missile defense program. Key points include:
- The program gives Aegis cruisers and destroyers the ability to conduct ballistic missile defense operations. The number of BMD-capable ships is planned to grow to 49 by 2021.
- Ships support European phased adaptive approach for European defense and operate in the Western Pacific and Persian Gulf.
- Funding comes mostly from Missile Defense Agency budget, with some from the Navy. The FY2017 budget requests $1.77 billion for Aegis BMD efforts.
- Issues for Congress include required vs available ship numbers, potential new site in Hawaii, burden sharing