Their Own Worst Enemy
The 4th Kavalleri use an intermediate blue with red trim color scheme for official occasions. The FRR Crest is on the right torso of 'Mechs, and on the right side of vehicles and aerospace fighters.
Canonized by Cold Spike on 9/22/2004.
The Fourth Kavalleri's insignia is a pair of crossed lightning bolts behind a shield bearing a silver star. Per FM: ComStar, page 73.