MONTREAL — Air Canada today announced it is acquiring 26 extra-long range (XLR) versions of the Airbus A321neo aircraft. The aircraft has sufficient range to serve all North American and select transatlantic markets, while offering customers added comfort and improving the carrier’s fuel efficienc…

LVIV, Ukraine — Each night, Ukrainian pilots like Andriy loiter in an undisclosed aircraft hangar, waiting, waiting, until the tension is broken with a shouted, one-word command: “Air!”

Andriy hustles into his Su-27 supersonic jet and hastily taxis toward the runway, getting airborne as quickly…

WASHINGTON — Russia’s combat power in Ukraine has declined below 90 percent of its pre-invasion levels for the first time since its attack began, a senior U.S. defense official said on Tuesday, suggesting heavy losses of weaponry and growing casualties.

The United States has estimated Russia as…