ROTA, Spain (NNS) -- Spanish authorities recently thwarted an attempt by the environmental activist organization Greenpeace to block the entrance to Naval Station Rota's port, when the group's members used small inflatable boats and their mother ship, Rainbow Warrior II, to try to impede ship traffic in and out of the port. The Rainbow Warrior II and crew arrived in Cadiz March 8 after demonstrating in the Netherlands in late February. Their demonstration against war in Iraq continued here when they attempted to stop the Coast Guard Cutter Dallas from leaving port March 13 and by threatening entry into the...