Peenemünde (German pronunciation: [peːnəˈmʏndə], English: "Peene [River] Mouth") is a municipality on the Baltic Sea island of Usedom in the Vorpommern-Greifswald district in Mecklenburg-Vorpommern, Germany. It is part of the Amt (collective municipality) of Usedom-Nord. The community is known for the Peenemünde Army Research Center, where the world's first functional large-scale liquid-propellant rocket, the V-2, was developed.