Talk:Vauban (Warframe)/@comment-11804535-20130709073244/@comment-83.11.70.105-20130709180145

Supposedly random. Seems more frequent since they introduced the "Alerts 2.0" system, which was meant to address the issue of rare rewards not showing up for prolonged amounts of time.

Hopefully they've introduced some kind of a threshold on how long it can take before a specific part shows up.