Well I bought another issue of the magazine, and sure enough it shows all three of them in the Battle Grid suits in one of the stories.
Not only that but I'm sure this is the issue I saw way back when I was a kid because the cover says "The Battle Begins", and the first story is just explaining how their powers work.
It even tries to explain the Battle Grid, and the Battle Grid suits.
"Professor Hart can also initiate a BattleGrid alert that transports the Troopers to interface space
This occurs when the lab faces a direct threat from Grimlord's forces
On the BsttleGrid the VR Troopers switch to lighter less restrictive battle suits better suited to I-space combat"
