I'd store a secret Nazi Raygun. If I've learned anything from games, comics, and other sources of information about the future, it's that Nazi super science beats modern and future tech nine times out of ten.
Disclaimer: I am in no way associated with Nazi Super Science, my work is generic and perfectly harmless to synthetic life forms.
Disclaimer: I am in no way associated with Nazi Super Science, my work is generic and perfectly harmless to synthetic life forms.