Eles foram expostos porque enviaram um vôo de reconhecimento para encontrar a base de Starkiller ...
“The scan data from Captain Snap Wexley’s reconnaissance flight confirms everything Finn has told us,” Poe announced to the group.
The Force Awakens novelization by Alan Dean Foster, Chapter XIV
... e esse voo foi rastreado até a base deles:
Hux was clearly gratified to be the bearer of good news. “We were able to track their reconnaissance ship back to the Ileenium system. We are coordinating with our own reconnaissance craft in the area in order to lock down the specific location of their base.”
Snoke replied with cold satisfaction. “We do not need it. Prepare the weapon. Destroy their system.”
The Force Awakens novelization by Alan Dean Foster, Chapter XV
e
The general halted before the dais and bowed. “We were able to track their reconnaissance ship back to the Ileenium system. We are coordinating with our own spy vessels to lock down the specific location of their base.”
“We do not need it. Prepare the weapon. Destroy their system,” the Supreme Leader said.
The Force Awakens Junior Novelization by Michael Kogge, Ch 16