The article is about Captain Kline
Because the first line talks about him and all of the other sentences talk about him.<span />
Answer:
The explicit idea is stated in this sentence is "The families were still close and enjoyed spending time together. "
Explanation:
In these lines from "Kids Save the Day—'Heroes' Deemed by Coast Guard!" the author mentions that Simon and Hillary have been friends since they were kids and it is also mentioned that they keep in touch and ,in fact, they took a brief vacation of a week with their families at the beach, this means that not only the two friends are close but the complete two families are.
The tents were abandoned as the campers, moved to the dry,warm cabin leaking in at least a dozen places.