I get, to some degree, that loot you gain from missions or from boxes are scaled to the requesting agents level, but why field proficiency? I just answered the call for backup of a lower level player in my clan with just a little XP te go for my field proficiency, only to be "rewarded" with a GS level 250 cache. This feels kinda bad, and I probably won't do it again in fear of "losing" another cache.