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© Polaris Intelligence 2026Admin

USA 598

active

Launched 5/12/2026

Technical Specifications

Verified technical details

Dry Mass: 750 kg
Total Mass: 800 kg
Power: Unknown
Design Life: Unknown

Stakeholders

Operator

U.S. National Reconnaissance Office (NRO)

Manufacturer

Launch Mission

NROL-172

5/12/2026