LONDON—The Netherlands has dispatched a 12-person team of military, police and safety experts to the site where Malaysia Airlines Flight 17 went down in eastern Ukraine last year to prepare the further repatriation of remains and other items.

The team arrived in Ukraine today and is next expected to make its way to the crash zone, including an area that was inaccessible last year because of fighting between pro-Russian rebels and Ukrainian government forces, a spokesman for the Dutch government said. The group will make preparations...