gistfile1.js

var LunRowView = Marionette.ItemView.extend({
    tagName: 'tr',
    template: _.template('<td>some content</td>')
    
});

var CollectionView = Marionette.CollectionView.extend({
    el: 'raid-row-selector',
    childView: LunRowView,
    
    attachHtml: function(collectionView, childView) {
        collectionView.$el.after(childView.el);
    }
});

var view = new CollectionView({
    collection: LunsCollectionForThisRaid
});

view.render();

// view.collection.add(LunModel1)
// view.collection.add(LunModel2)
// view.collection.add(LunModel3)