# Analysts Question Golden Dome Feasibility

A Brookings analysis supports expanding U.S. missile and air defenses but questions whether the space-based interceptor layer proposed for Golden Dome is operationally feasible and affordable. The article cites an estimate of **$700 billion over 20 years** for a layer intended to counter 10 missiles and calls for scrutiny of the system’s architecture, costs, and strategic risks. No solicitation, contract award, vendor, or procurement timeline is identified, so this is strategic market context rather than an active bid opportunity.

- Defense contractors can use the cost and feasibility questions to inform early market analysis, while avoiding assumptions that the space-based concept represents a funded requirement.
- Companies focused on missile defense should distinguish the proposed space-based layer from other capabilities, including land-based interceptors, that could develop into future requirements.
- Congressional scrutiny and any resulting changes to system architecture or priorities may shape the scope of future defense procurement; the signals do not identify specific acquisition actions or deadlines.

**Jurisdictions:** federal
**Industries:** Defense & Military
**Published:** October 21, 2026

### Government Entities
- U.S. Department of Defense (DoD)
- Office of Golden Dome for America
- Congress
- Congressional Budget Office (CBO)

### Key Quotes
> I think the one I would hone in on as most questionable for a number of reasons is space-based interceptors,
> — Michael O’Hanlon, Senior Fellow, Brookings Institution

### Sources
- [
        A national missile shield may be worth pursuing, but the laws of physics still have a say - Federal News Network](https://federalnewsnetwork.com/defense-main/2026/10/a-national-missile-shield-may-be-worth-pursuing-but-the-laws-of-physics-still-have-a-say) - Federal News Network
- [
        A national missile shield may be worth pursuing, but the laws of physics still have a vote in what the US can realistically buy and build - Federal News Network](https://federalnewsnetwork.com/podcast/federal-drive-with-terry-gerton-podcast/a-national-missile-shield-may-be-worth-pursuing-but-the-laws-of-physics-still-have-a-vote-in-what-the-us-can-realistically-buy-and-build) - Federal News Network