Boeing's largest white-collar union will decide on Thursday whether its members accept a sweetened ‌contract offer or move closer to a strike that would stall work on two long-delayed jetliners and slow jet deliveries.

Boeing has been selected to build the US Navy's next-generation stealth fighter, the Pentagon said on Tuesday, marking the company's second consecutive major win on fighter jets and capping months of delay over a program central to US strategy for ‌countering China in the Pacific.