WordNet
n. a network of facilities and people who interact and remain in informal communication for mutual assistance; a network that enables you to live in a certain style
Usage examples of "support system".
It'll get you by until help shows up if your support system's shot.
A Defense Support System Program satellite over the Indian Ocean spotted the launch bloom.
Periodically, she took sips of the nutrient concentrate the suits life support system dispensed, with no great enthusiasm - the stuff would keep you alive, but it tasted like puke.
If a weapon mount or a critical support system was cut off from the central control net by battle damage, or if the central computers themselves crashed, a warship had the human resources to take over and run things in local control anyway.
Periodically, she took sips of the nutrient concentrate the suit's life support system dispensed, with no great enthusiasm-the stuff would keep you alive, but it tasted like puke.