jQuery AJAX and Deferred

var get1 = $.get(url1);
var get2 = $.get(url2);
$.when(getDetail, getExecutions).then(function(first, second) {
    // Success of get1 and get2
    // Do another request, based on the previous
    return $.get(first.LoadUrl);
}, function(error){
    // Error of get1 or get2
}).then(function (third) {
    // Success of 3rd reqest created in first success function
}, function (error) {
    // Error of 3rd request created in first success function
});