        final JsObject[] modelCzml = new JsObject[2];
        JsObject descriptionCzml = JsObject.create();
        descriptionCzml.setProperty("id", "document");
        descriptionCzml.setProperty("name", "CZML Model");
        descriptionCzml.setProperty("version", "1.0");
        modelCzml[0] = descriptionCzml;

        JsObject bodyCzml = JsObject.create();
        bodyCzml.setProperty("id", "aircraft model");
        bodyCzml.setProperty("name", "Cesium Air");

        JsObject positionCzml = JsObject.create();
        positionCzml.setProperty("cartographicDegrees", new double[]{-77, 37, 0});
        bodyCzml.setProperty("position", positionCzml);