Space-A traveler guide
Roll call is the point when the terminal begins selecting eligible Space-A travelers for available seats. It is one of the most important times on a Space-A travel day—and it is not interchangeable with departure time.
AMC tells travelers to check in at the terminal counter, mark themselves present and review updated flight information. Individual terminals can publish their own mark-present windows and roll-call procedures, so the terminal page controls the practical deadline.
Space-A travelers compete within the authorized category system. Within a category, the signup date and time can matter, which is why preserving proof of signup is important when an automated confirmation fails.
Some terminals publish a standard relationship between roll call and departure, while others publish a specific roll call for each mission. MilVoyage only shows a departure when the source explicitly publishes one.
Quick answers
No. Roll call is the passenger-selection event. Departure can be later and should be treated as a separate published field.
Do not plan on it. Follow the operating terminal's current mark-present and roll-call instructions and arrive with enough time to be travel ready.
Bring the required travel documents and baggage, complete parking or rental-car tasks, and be ready to move if selected.
Official sources