$(document).ready(function() {    
  
  Tweene.defaultTimeUnit = 's';
    var t1 = Tweene.get('.rocket-01', 'gsap')
        .to({y: -240})
        .easing('easeInBack')
        .duration(3);
        
    var t2 = Tweene.get('.rocket-02', 'transit')
        .to({y: -240})
        .easing('easeInBack')
        .duration(3);

    $('.controls span').on('click', function(event){
        var action = $(this).data('action');
        
        t1[action]();
        t2[action]();
        event.stopPropagation();
        event.preventDefault();
    });
});