After all, Angelica only had a total of five minutes to move after turning off the power.
Moreover, Angelica could only turn off the alarm system. Hence, the agents would notice her actions. If only she and Morpheus were on the move, they wouldn't have enough time if they were caught.
After some discussion, it was decided that Morpheus and Angelica would not be the only ones participating in the operation. The people from the other two spaceships would also participate in the operation.
They only had one mission. One of the female captains' goals was to blow up the power station, while the other ship's crew was responsible for turning off the backup power supply!
Angelica was the only person who could open the door to the core of the Matrix. She of course had to go directly to the building.