The successful under-19 side of 2001-02 formed the nucleus of Colin's squad last season, topped up by the likes of Jonathan Blondel, Rohan Ricketts, Alton Thelwell and second year Jamie Slabber.
In previous seasons, on occasions, the reserve team coach has had just a few players to work with, supplemented by first team squad members who join up on the day.
Colin agrees that the current situation is of benefit to all.
"I think so because that shows when you've had them together and are able to work as a group they get the benefit of it as they have an understanding of how their teammates work," he explained.
"It's not just about individual performances, but it is from the reserve team that the club wants to pick individuals out from to stick into the first team squad to be the next Stephen Carr or Ledley King.
"To have them as a group they have got to improve together and some of them will go further than others at this club. To give themselves any chance they've got to work together as a little group collectively.
"When we've had that chance to work together in the week leading up to a game it just gives you so much more than when you just turn up and three or four first teamers come down and join us on the day of the game."
Colin Calderwood feels that his reserve side has reaped the benefit from having a sizeable group together training on a daily basis.