Suzy noticed the strength of the waves and felt them growing stronger every minute
Ok, and is there a question??
Platoon means a group of people or things that work together under a leader.
Examples can be:
A platoon of soldiers, which has ~16 - 50 soldiers
A platoon of tanks, which has ~4 - 9 tanks
etc.
hope this helps
You didnt provide us the information for the book..?
Answer:
The first firefighters to arrive on the scene had only limited waterpower
