Recently, on topic of Cool pics, I posted the link to a photo-blog of Dimitrije Ostojić
http://dimitrijeostojic.com/blog/I completely forgot about the great whiff he's done four years ago...
Translated serbian text -
L-28 (L stands for Lovac or Lovački - fighter, code system of yugoslav/serbian army, MiG-21bis for example is L-17, MiG-29 is L-18),
X wing fighter MD (X винг фајтер is serbian literal transcription and I got no idea why MD?),
second prototype of multirole intergalactic fighter of 7th generation