Whiskey was still in existence in 2531 and was used by Rear Admiral Rich during a meeting, which created the Spartan III program, on the ONI Prowler class ship UNSC Point of No Return.
References
Ghosts of Onyx p.44
Whiskey was still in existence in 2531 and was used by Rear Admiral Rich during a meeting, which created the Spartan III program, on the ONI Prowler class ship UNSC Point of No Return.
Ghosts of Onyx p.44