Silentbarker Explained

Silentbarker is a class of classified United States spy satellites for space domain awareness developed by US Space Force and National Reconnaissance Office.^{[1] [2] [3]}

Satellites

Name	Launch date	Launcher	COSPAR ID	Status	Notes
	10 September 2023		2023-140A		NROL-107
	10 September 2023	Atlas V	2023-140B		NROL-107
	10 September 2023	Atlas V	2023-140C		NROL-107

See also

• Space domain awareness
• Space Based Space Surveillance
• Geosynchronous Space Situational Awareness Program

Notes and References

1. Web site: Silentbarker . 2023-09-12 . Gunter's Space Page . en.
2. Web site: Stephen Clark . US spy satellite agency isn’t so silent about new "Silent Barker" mission . 29 August 2023 . . en.
3. Web site: Stephen Clark . ULA’s Atlas V rocket has launched for the first time in nearly a year . 11 September 2023 . . en.