The landscape of space surgical capabilities is evolving with international collaboration and the burgeoning era of commercial space travel. The critical role of surgical contingencies is essential for long-duration space missions and necessitates advancing surgical care to achieve autonomous medical capabilities during space travel. These capabilities involve risk modeling, training requirements for space surgeons, management of in-flight medical emergencies, and considerations for extended space missions. Innovation in technology and preventive medicine principles will enhance the effectiveness of space surgical care. Military surgical care and Surgery in Space involve complex procedures under challenging conditions with limited resources. Advancements and innovations in these austere and extreme environments are synergistic and complimentary. In conclusion, the impact of advancements in space and terrestrial medicine to support space exploration demand an increasing role of the surgeon to oversee medical/surgical invasive treatment and mission success.