Date/Time Issued: September 15, 2026 1607Z

Product(s) or Data Impacted: L1 and L2 Processing - All products and service

Date/Time Initial Impact: September 22, 2026 1000Z

Date/Time of Expected End: September 22, 2026 1200Z 

Length of Event: 2 Hours 

Details/Specifics: GCCS will be performing Firewall maintenance on 9/22/2026, between 1000z and 1200z.  All maintenance activities are expected to be non-impacting but may cause intermittent L1 and L2 processing and/or product delivery up to 10 minutes.

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