军用UI肯定是非常的难用。DCGS-A打开一个类似Google Maps的东西需要20多个步骤。

说实话，无论国内外。军用。甚至gov专用软件都是要各种“资质”，certificate的，这为万年不更新垃圾contractor留下了巨大的寻租空间。

http://www.newrepublic.com/article/113484/how-pentagon-boondoggle-putting-soldiers-danger

> What transpired next was flabbergasting, recalls the intelligence analyst: “We had spent probably a day and a half trying to make a map using DCGS-A. And in my three hours with Palantir, he was able to show ten times more information— breaking it down into charts, showing patterns. We could see a rotation pattern of where [the insurgents] were moving southwest to northeast across Panjwai district. We started to see some connections where there’d been four other unsuccessful attacks with the same type of device in this area that we hadn’t seen before ... This was my sixth combat deployment, and I’d never been able to pull that level of detail together, certainly not that fast. I was sitting there like, holy shit.”

> I was given a DCGS-A system with a twenty-two-thousand-dollar laptop. When I got to my unit at a company level, it did not function. I couldn’t pull data off the map—I ended up just using the Internet, literally using Google Earth to plan my operations.

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随便吐槽下。人类社会高度分工下，大企业，比如军队，就会出现“只奖励苦劳”的现象。呵呵。