[Long Jon No Silver]

Don’t gloat. This kind of thing happened at Fort Hood

[Wilhelm Tell]

I don’t think it is gloating to make note of the hardship Putin is inflicting even on his own country.

[Cronos]

A one off.

Due to Putin, this is now frequent in Russia

[Alter Kaker]

Don’t gloat. This kind of thing happened at Fort Hood

The soldiers murdered at Fort Hood were all professionals. While that was disturbing, there's a whole different morale element when you're talking about draftees, not volunteers.

[silverleaf]

A Saudi killed 4 Navy officers at our base in FL in Dec 2019
I don’t think he was called “ a fellow volunteer”

https://www.bbc.com/news/world-us-canada-52713702#:~:text=A%20Saudi%20Air%20Force%20officer%20who%20went%20on,attack%20killed%20three%20US%20sailors%20and%20injured%20eight.

Reports suggest this Russian attack was planned, the shooters volunteered to join the unit just 4 days before their murder rampage, which took place on the training range