It is displayed on the welcome page of the Engineering and Design Department on the university website that the department has "links" to Caterpillar in order to keep programmes "relevant to the requirements of modern industry and give our graduates excellent employment prospects".
See http://www.sussex.ac.uk/engineering/1-2-16.html.
Caterpillar has been selling equipment to the Israeli army since 1967
See http://www.catdestroyshomes.org/article.php?id=242 and http://www.crocodyl.org/wiki/caterpillar.
I heard theyd stopped selling to Israel but couldnt find anything about it on the web, does anyone know?