The U-2's old-style cameras still outperform other surveillance gear by delivering crisp images from above 70,000 feet The U-2 spy plane first became operational in 1956. Today the U.S. Air Force ...

The U-2's old-style cameras still outperform other surveillance gear by delivering crisp images from above 70,000 feet The U-2 spy plane first became operational in 1956. Today the U.S. Air Force ...

American commercial aviation is a vibrant industry, with a good mix of legacy carriers like United and Delta, and budget carriers like Spirit and Frontier. Old and used planes, which are ...