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The NASA Orbiter was designed with the ability to store a limited amount of wastewater on board. Due to several factors including the storage capacity of the waste tank, the number of crew members onboard, and the length of a mission, the Orbiter must vent wastewater overboard at regular intervals. During a typical Orbiter mission to the International Space Station (ISS), the Orbiter must vent a significant amount of wastewater at least once during the docked timeframe. A future ISS program requirement that affects the Orbiter while docked, is elimination of wastewater venting, specifically urine, once the Japanese Experiment Module (JEM) is added to the orbiting facility. A working group was developed to address elimination of orbiter wastewater venting with members from both the Orbiter and ISS programs. Multiple options exist to meet this requirement.