Image please.

Hi Raf,
I’d say Bank Gothic.
But: yes, an image would help.
F

Very possibly Kuntsware-Alphabet
http://www.myfonts.com/fonts/t26/kunstware/

Florian, Bank Gothic looks cooler ;-)
All that does have a neat Dulles Airport or 2001: A Space Odyssey feel to it.

Florian, Bank Gothic looks cooler ;-)
@Dan: Yeah, I know . ;-)
That was just a shot in the dark, before the image was added.

There are similar ultra-geometric faces in The Foundry’s Architype series. But that rounded ‘U’ says crappy freeware, to me.

Others:
Alert
Monolith
Kamaro
Aggie

Aggie comes very close,

thanks guys !