When Kyle Squires saw his two-year-old brother's lifeless body at the bottom of their family pool, what he did next saved the toddler's life.
Two-year-old Charlie was sitting on the ledge of the family pool at Thirroul, south of Sydney on October 31, 2012, watching Kyle and two of his others brothers playing.
Their father Jason Squires quickly walked inside to put on a cup of tea when Kyle looked over again at Charlie and couldn't see him on the ledge, NSW Ambulance says.
Thinking quickly, the teen swam to where he last saw his brother and then grabbed him from the bottom of the pool and pulled him from the water.
With the help of his father, he performed CPR on his brother.
Charlie was later taken to Wollongong Hospital where he made a full recovery.
Mr Squires said he was "unbelievably proud" of Kyle.
"When Kyle handed Charlie to me, I honestly thought we'd lost him," he said on Friday.
"I've told Kyle about 100 times he's a super hero."
For his quick thinking, Kyle was awarded the Commendation for Courage (Community) Award at Thirroul Life Saving Club in front of family, friends and surf lifesaving members on Friday.
NSW Ambulance Chief Executive Ray Creen said the spot was perfect as it was where Kyle had learnt the skills that would lead to him saving his brother's life.
"I have no doubt that Kyle saved his young brother's life that day," he said.
The last time the medal was awarded to a child was more than a year ago when eight-year-old Tori O'Neill walked through the bush to get help for her father, who fell ill while they were camping.