You can download the updated package here.
We corrected an issue found in TAC24 (and actually could exist in TAC23 and TAC25 as well).
It appears that there were issues with multiple group activations in the same trigger as well as the SAMs not being as dangerous as they used to be (AI tweaks?).
We have added extra trigger code to make the mission more robust to future AI changes so hopefully they will play properly in future updates.
Your mission key and password can be used to install these packages and your campaign progress will not be impacted as it is recorded in your logbook.
OpenBeta update will follow shortly.