Crimson Blades => Crimson Squad?

[Gelatinous]

I don't think the Crimson Squad and the Crimson Blades are the same group. It's been awhile since I last played this game, but, as I recall, the Crimson Squad was a secret Yevon unit whose purpose was to guard Yevon's black projects, such as Vegnagun. Also, you can see a few of them guarding Vegnagun in a movie sphere that was made before Sin's appearance, therefore they couldn't have been formed to combat Sin.

Now that I think about it, weren't Lenne and Shuyin gunned down by the Crimson Squad during the Machina War? Well, I guess that proves it.