https://www.cnet.com/news/watch-battlefield-5s-e3-2018-trailer-from-eas-event/

The developers came to EA's E3 press conference promising to address those questions directly. But then they didn't.

On the stage, the team did show off a brief preview of how the game has taken destructible environments to the next level, and showed players that they'll be able to move artillery and other previously stationary defense weapons using vehicles. Unfortunately, however, that was about all they showed.