I.S.S. (2023) is a tense, claustrophobic sci-fi thriller that masterfully transplants geopolitical conflict into the unforgiving void of space. Directed by Gabriela Cowperthwaite, the film presents a chilling 'what if' scenario: as war breaks out on Earth, the American and Russian crew aboard the International Space Station receive catastrophic orders from their respective governments—take control of the station, by any means necessary. This directive shatters the fragile professional camaraderie, forcing astronauts and cosmonauts who were colleagues moments before into a deadly, zero-gravity game of survival and sabotage.

The film excels in building palpable tension within the station's confined, technical corridors. The ensemble cast, including Ariana DeBose, Chris Messina, and John Gallagher Jr., delivers grounded performances that sell the sudden, horrifying shift from scientific mission to life-or-death struggle. The moral ambiguity is compelling, as characters grapple with duty, survival, and the remnants of their shared humanity.

While the premise is its strongest asset, the execution provides a solid, 95-minute thrill ride. The cinematography makes excellent use of the microgravity setting, creating disorienting and unique action sequences. For viewers seeking a suspense-driven story with a compelling high-concept hook and a focus on psychological drama over flashy effects, I.S.S. is a must-watch. It's a stark reminder that even in orbit, the darkest aspects of human nature are never left behind.