"Hmph!"
After a cold snort, Caesar III spoke out in discontent: "The Orcs have always been cunning. The front lines have long been in a perilous situation, it's inappropriate for the kingdom's major generals to leave at this moment.
Nobles with reputations, they all have their own issues to deal with and are probably tied up.
Well, let Little Caesar try it. It will be a good opportunity for him to get some experience and improve his military command skills."
As for the Crown Prince going to the battlefield for training, everyone tacitly chose to remain silent on this issue. Rational politicians all know that it's best to not interfere in such matters.
On the Continent of Aslante, it's commonplace for the King to go to the battlefield. It's not unusual for the Crown Prince to go to the front line for "show".