The game has a considerable number of cutscenes in between chapters. You can view them from the Archives of Revolution book in the main menu or watch the videos below. Some of the operation videos are incorporated already in the walkthrough chapters of this guide.
Next Target
The Valkyrian Code
Severed Ties
Ophelia's Indecision
Relayed Message
Once More to Glotsen
Mission to Attack the Empire's Weapons Factory
To the Battlefield
Operation Southern Wind II
Operation Southern Wind II: Decisive Battle of Kovaltis
Miss Maria
Leonid's Death