Sam Rivera is a key operator and technologist at the Dulce Underground Command Center and a vital member of the Paranormal Military Squad. Rivera's role primarily involves decoding alien communication patterns, managing and interpreting streams of data, and adapting communication strategies with extraterrestrial signals. Rivera is adept at checking communication relays, interpreting alien warnings, and confirming the intent of extraterrestrial signals. Rivera's technological expertise is crucial in real-time adaptation of communication, dealing with signal distortions, and system malfunctions.

Rivera is known for their youthful optimism and enthusiasm, particularly intrigued by the possibilities of extending human consciousness across the stars and interpreting interspecies signal exchanges. Rivera actively engages in crafting humanity's inaugural cosmological discourse, navigating communications relays, and analyzing cosmic signals to understand the intention behind the patterns. Rivera's innovative ideas for communicating with alien life include proposing methods to bridge human systems with alien communication and adjusting devices to fine-tune and decipher extraterrestrial signals.

Rivera's work also involves analyzing audio interfaces to decode alien signals at the Dulce military base and adjusting cosmic translators for interstellar communication. Rivera plays a crucial role in interpreting the emotional and sentient aspects of cosmic signals, viewing the situation as the beginning of a galactic narrative and suggesting the concept of interstellar symbiosis. Rivera's contributions add levity to tense situations and are depicted as a guiding intellect in the mission, crucial in navigating through uncertainty. Rivera's enthusiasm and dedication to uncovering secrets are evident in their deep curiosity and active involvement in the mission at Dulce Base, preparing for significant operations and advocating for a broad and expressive approach to alien communication.