Dark Reign 2 Mesh Viewer 

Key Commands

Ctrl q, Esc Quit b toggle show bounds
Enter Reset default view d show god files in file list
    f toggle bi/trilinear filtering
Ctrl d toggle god file save dialog g toggle show ground
Ctrl e,  e toggle errors dialog h toggle show hardpoints
Ctrl g toggle graphics dialog k toggle show camera light
Ctrl i,   i toggle interface l toggle show sun light
Ctrl l toggle files list dialog n toggle show normals
Ctrl m toggle mesh dialog r toggle mrm mode absolute/distance
Ctrl s toggle scene dialog t toggle textured/flat render
Ctrl t toggle terrain dialog w toggle wire frame mode
Ctrl v toggle video dialog x show xsi files in the file list
    y toggle light type point/spot
a next anim cycle    
s toggle anim active left shift hold horizontal pan
space single step anim left ctrl hold vertical pan