Lida Canales is a Spanish corporal serving as a full-time communications operator for the XFJ Program under the United Nations at Yukon Base. She is the last of the program's three dedicated operators to join, arriving as a new recruit with limited technical experience. Despite her inexperience, she possesses an active, outgoing nature and a frank disposition that allow her to quickly befriend colleagues and integrate herself into the command post. Her unflinching personality and strong desire to learn drive her to overcome her initial shortcomings in her role. Lida's personal history is shaped by the devastating BETA invasion: she was forced to flee her home country of Spain during the alien advance across Eurasia, an experience that underlies her motivation to support the XFJ Project's mission. In the story, she operates alongside fellow operators Niram Rawamunando and Phoebe Theodorakis, providing essential communications and coordination support for the multinational test pilot team. While she is a side character without a major developmental arc, her cheerful and determined presence contributes to the atmosphere of the command center as the project carries out its work against the BETA threat.