This is the one you're after, I believe.
this is what it links to (gone now, only in archive)
Countdown 101
The space shuttle countdown clock at Kennedy Space Center
The countdown clock is one of the most-watched timepieces in the world. On this page, you'll learn how the countdown operates, and what milestones to watch for during our live launch coverage.
Pauses in the countdown, or "holds," are built into the countdown to allow the launch team to target a precise launch window, and to provide a cushion of time for certain tasks and procedures without impacting the overall schedule. For the space shuttle countdown, built-in holds vary in length and always occur at the following times: T-27 hours, T-19 hours, T-11 hours, T-6 hours, T-3 hours, T-20 minutes, and T-9 minutes.
Here are some of the key events that take place at each milestone after the countdown begins. Note: Event times and lengths are approximate and subject to change.
T-43 hours and counting The Shuttle Test Director performs the traditional call to stations and the countdown clock is activated.
(omitted)
The concept that Q introduced here was that of a countdown or timeline that halts (pauses) or proceeds depending on conditional states at various junctures.
Example: The countdown proceeds and than at t minus 4-27 hours a built-in hold takes place (pause) while certain things are undertaken. When those things are completed, the countdown then continues.
The idea here is that the Q Plan (patriot Plan) lays out a certain progression, but it can pause or proceed depending on the response from the Enemy. "moves and counter-moves".
This is the one your after, I believe.
this is what it links to (gone now, only in archive)
Countdown 101
The space shuttle countdown clock at Kennedy Space Center
The countdown clock is one of the most-watched timepieces in the world. On this page, you'll learn how the countdown operates, and what milestones to watch for during our live launch coverage.
Pauses in the countdown, or "holds," are built into the countdown to allow the launch team to target a precise launch window, and to provide a cushion of time for certain tasks and procedures without impacting the overall schedule. For the space shuttle countdown, built-in holds vary in length and always occur at the following times: T-27 hours, T-19 hours, T-11 hours, T-6 hours, T-3 hours, T-20 minutes, and T-9 minutes.
Here are some of the key events that take place at each milestone after the countdown begins. Note: Event times and lengths are approximate and subject to change.
T-43 hours and counting The Shuttle Test Director performs the traditional call to stations and the countdown clock is activated.
(omitted)
The concept that Q introduced here was that of a countdown or timeline that halts (pauses) or proceeds depending on conditional states at various junctures.
Example: The countdown proceeds and than at t minus 4-27 hours a built-in hold takes place (pause) while certain things are undertaken. When those things are completed, the countdown then continues.
The idea here is that the Q Plan (patriot Plan) lays out a certain progression, but it can pause or proceed depending on the response from the Enemy. "moves and counter-moves".