Erin rushed forward to give her best friend a strong hug, breaking all the rules that the instructors on the hovercraft had drilled into them as they were making their way over to the base.
Leon and Bill had the emotional reaction as Erin after seeing Mako and Iris healthy and alive, standing right next to the main commander...
'OH, SH*T! That's the main commander!' Both boys thought as they didn't give in to their impulse and instead stood in a straight file with their arms crossed, standing shoulder to shoulder.
Commander Anderson had already instructed Iris and Mako on how to behave as they met their friends which they obeyed completely as even though they were both also excited to see Erin, Leon, and Bill again, they had a task to do and that was to follow the commander's orders.
Despite Erin already crying and giving the tightest hugs imaginable to Iris, she still remained in the at-ease position and not saying a single word.