100 Days Without — Delays

Sharing progress (e.g., #100DaysOfCode) introduces a social pressure that helps maintain the "no-delay" streak.

Operational delays can be systemic. In late 2025, the UK's First Sea Lord launched a to tackle maintenance backlogs in the Royal Navy's submarine fleet. 100 Days without delays

Originating from comedian Jerry Seinfeld, this involves marking a large red "X" on a calendar for every successful day. Your only job is to . 3. The 100-Days-Mission (Healthcare) Sharing progress (e

Restore availability for Vanguard and Astute-class submarines. Sharing progress (e.g.