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Document and Entity Information
Mar. 06, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0002086587
Document Type 8-K
Document Period End Date Mar. 06, 2026
Entity Registrant Name YORK SPACE SYSTEMS INC.
Entity Incorporation State Country Code DE
Entity File Number 001-43088
Entity Tax Identification Number 39-4190941
Entity Address, Address Line One 6060 S Willow Drive
Entity Address, City or Town Greenwood Village
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80111
City Area Code (720)
Local Phone Number 537-2655
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.0001 per share
Trading Symbol YSS
Security Exchange Name NYSE
Entity Emerging Growth Company true
Entity Ex Transition Period false