They destroyed the computers, documents, and the server of the office, and proceeded to occupy it for eight hours prior to their arrest.
When Raytheon staff returned to the offices they claimed that some of their desks had been urinated on and also had human excrement smeared on them.
The city's SDLP Member of Parliament, Mark Durkan, said the protesters were jeopardizing future US foreign direct investment.
People are rightly free to voice their disgust at the violence in the Middle East and the failure of Britain and America to challenge or contain Israeli actions.
People are also free to express opposition to the arms trade and the role of a company like Raytheon at a global level within that, but destroying property and possibly prejudicing other investment and employment prospects is not the way to register such concerns.