Major Kilburne and Brigadier Stewart in “Unfinished Business”

I'm sorry, sir, but the Homeworld Security Mandate dictates—

Homeworld Security! That's the trouble with UNIT these days. Too many buzzwords, too many directives. At least in my day, we maintained the benefits of common sense.

With respect, Sir Alistair, UNIT has had to adapt to the challenges of a more hostile universe.

In my day, we took on Daleks, Cybermen, Autons, Zygons and all manner of space-thuggery. And it doesn't get more hostile than that.