Complex sentence: The player's fundamental unit is the Carrier, from which they may deploy and dock up to four aerial units and four amphibious units, among other defensive and offensive systems, such as drones to protect the Carrier when under attack.
Split into simpler sentences: The player's fundamental unit is the Carrier, from which they may deploy and dock up to four aerial units and four amphibious units. Other defensive and offensive systems are present, such as drones which protect the Carrier when under attack.