U.S. Navy and Marine Corps highlight Philadelphia command center ahead of 250th birthday celebrationThe U.S. Navy and Marine Corps don't just trace their roots back to Philadelphia. To this day, every aircraft, ship, and submarine in service can trace its parts back to a facilityThe U.S. Navy and Marine Corps don't just trace their roots back to Philadelphia. To this day, every aircraft, ship, and submarine in service can trace its parts back to a facilityThe U.S. Navy and Marine Corps don't just trace their roots back to Philadelphia. To this day, every aircraft, ship, and submarine in service can trace its parts back to a facilityThe U.S. Navy and Marine Corps don't just trace their roots back to Philadelphia. To this day, every aircraft, ship, and submarine in service can trace its parts back to a facility off Robbins Street.