Between the commercial aerospace company or the defense giant, which stock has the safer long-term prospects?Comparing commercial aerospace giant GE Aerospace (GE) with leading defense contractor Lockheed Martin (LMT 0.56%) is always interesting because it requires taking a big-picture view. This isn't about one quarter's earnings or even a year's worth; it concerns a long-term view of how each company makes money. So let's dive in and see what we can find out.The better stockSpoiler alert: GE Aerospace, wh ...