With their preparations for the 2019-20 season in full swing, the young Reds will break away from their summer routine to spend the next two days at Weeton Barracks in Lancashire.
The team are set to take part in activities designed to strengthen its unity before staying at the army camp overnight.
"We'll get to see people pushed to their limits, I imagine," Lewtas told Liverpoolfc.com. "I don't think they know what time they're getting up in the morning yet, I don't think they've seen those hours!
"It just breaks up pre-season a little bit.