What is emphasized by the line about the Army and the Navy looking on Heaven's scenes?

The line referencing the Army and the Navy observing Heaven's scenes emphasizes the unity in defending the nation. This imagery speaks to the collective effort of the military branches working together for a higher purpose, which is to protect and serve the country. In a broader context, it highlights the idea that regardless of individual differences or rivalries, there is a common goal that binds these branches together. This sense of camaraderie is crucial in the military, as it fosters collaboration and mutual support, especially in times of conflict.

Understanding this unity is essential in appreciating how the military operates as a cohesive force, reinforcing the notion that all branches are integral to national security and defense. The overarching theme is one of solidarity, rather than rivalry, superiority, or mere hope for peace.