CLEAN : Near Kiev, Ukrainian volunteers dig in to protect town

The transcript features a speaker from Kiev expressing a desire to help defend Ukraine against Russian aggression. They feel safer now due to the presence of the Ukrainian army, whereas previously only local defense forces were present. The latter part of the transcript includes a series of unrelated and fragmented thoughts.

What is the significance of the phrase 'Russian aggression' in the context of the speaker's statements?

What does the speaker imply about the local defense forces?