Significant defense orders, strong government subsidies and growing demand for domestically produced commercial aircraft have provided optimism regarding the Russian aircraft industry.

Michael J. McCord, the U.S. Defense Department's comptroller, warns of dire consequences if more than $1 trillion in approved cuts to military spending over 10 years are allowed to take effect. The result would be the lowest number of ships since World War I, the smallest ground force since 1940 and the smallest Air Force ever, he recently told investors.

Few times in aerospace history can have been as difficult for forecasters as recent months. Things are changing, that is certain, but there are so many conflicting signs that the direction of the industry is almost impossible to project. Debt crises, oil prices, climate change, competition for resources and many other factors inject unprecedented unpredictability into the equation.

As market demand for high-definition video and broadband Internet service grows, so too does the need for technologies to form the backbone of global networks.

The majority of the 161 unclassified milsats forecast for production in the next decade will go into service in the near term with production tapering in the outyears.

The U.S. Air Force's tanker contract has been awarded, Airbus and Boeing have moved to upgrade the A320 and 737, and NASA's space shuttle has flown its last mission. It's time to move on to 2012 and the next round of big developments in the aerospace and defense industry. Here are 12 to keep an eye on.