Today the European Space Agency announced they will add a kick stage option to their upcoming Ariane 6 rocket. The addition brings expands the payload capabilities for the rocket.
With reusing rockets becoming the new trend in spaceflight, it’s no surprise that the European Space Agency (ESA) is developing the capability for themselves. The development is spurred on by the same reason as everyone else: cost savings. The ability to reuse a booster turns into savings for the manufacturer and lowers cost to orbit for the customer.