Complex sentence: In addition to these two boosters, NASA designed other spacecraft for use during Constellation, including the Orion crew capsule, the Earth Departure Stage secondary booster, and the Altair lunar lander.
Split into simpler sentences: In addition to these two boosters, NASA designed a set of other spacecraft for use during Constellation. These included the Orion crew capsule, the Earth Departure Stage and the Altair lunar lander.