The International Air Transport Association (IATA) made some encouraging projections, possibly driven by the improving trends in global air traffic, which should bode well for commercial jet makers. Solid deliveries, expected to be received by airlines next year, surely boost the prospects of jet manufacturers. An expansionary U.S. defense budget should benefit defense-oriented companies. However, the U.S. defense electronics supply chain disruption due to the COVID-19 pandemic remains a threat for stocks in the aerospace-defense space. Nevertheless, solid air traffic projections should keep investors interested in this industry. The frontrunners in the aerospace-defense industry are Lockheed Martin LMT, Northrop Grumman NOC and General Dynamics GD. Infrastructure Stock Boom to Sweep America A massive push to rebuild the crumbling U.S. infrastructure will soon be underway. It’s bipartisan, urgent, and inevitable. Trillions will be spent. Fortunes will be made. The only question is “Will you get into the right stocks early when their growth potential is greatest?” Zacks has released a Special Report to help you do just that, and today it’s free. Discover 7 special companies that look to gain the most from construction and repair to roads, bridges, and buildings, plus cargo hauling and energy transformation on an almost unimaginable scale.Download FREE: How to Profit from Trillions on Spending for Infrastructure >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Lockheed Martin Corporation (LMT): Free Stock Analysis Report Northrop Grumman Corporation (NOC): Free Stock Analysis Report General Dynamics Corporation (GD): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research