trends we expect mst 2019s 2015 net sales to be comparable to 2014 net sales , with the increased volume from new program starts , specifically space fence and the combat rescue and presidential helicopter programs , offset by a decline in volume due to the wind-down or completion of certain programs . operating profit is expected to decline in the mid single digit percentage range from 2014 levels , driven by a reduction in expected risk retirements in 2015