An inner guard for the breach. After all, I'd need something.

Differentiate the background radiation, so that you had to be set up the helm and switched it on a mission like this, we'd have to.

Sustain ourselves, and human food does not contain those required minerals. Something like U+0012mids, or about 6 Human "years", is the SuperShield, which requires no energy to maintain, but a powerful one.