St. Louis, Mo. — Over 3,200 defense workers at Boeing walked off the job Monday, marking a significant escalation in labor tensions for the aviation giant as it grapples with ongoing challenges in its operations.

The strike, initiated by a local chapter of the International Association of Machinists and Aerospace Workers, follows a vote by union members to reject Boeing’s latest contract proposal. The workers, primarily engaged in the production of F-15 fighter jets and other military aircraft, cited dissatisfaction with issues related to pay, work schedules, and retirement benefits.

Boeing’s Air Dominance vice president, Dan Gillian, expressed disappointment over the union’s decision to turn down an offer that included a potential 40% increase in wages over time. “We are committed to working with our employees and hope to find a resolution that meets everyone’s needs,” he said.

The current strike is the first involving Boeing’s defense division since 1996, when a previous work stoppage extended for more than three months. It comes amid a turbulent period for the company, highlighted by a nearly eight-week walkout from passenger plane workers last year and a series of safety issues that have affected its reputation.

Union leaders emphasized that their actions reflect a demand for respect and dignity in the workplace. In a message shared on social media, they stated, “This is about our rights as workers and ensuring that our contributions are recognized,” indicating that workers’ frustrations extend beyond just pay.

Boeing has faced significant scrutiny in recent years, primarily stemming from two lethal crashes involving its 737 MAX model and a mid-air incident where a panel detached from the aircraft. These issues have compounded its operational difficulties and strained relationships with both workers and regulators.

In light of the current strike, Boeing CEO Kelly Ortberg downplayed the potential implications, suggesting it would have a significantly smaller impact compared to the previous year’s strike involving approximately 30,000 employees. “While any work stoppage is concerning, we believe we can navigate through this situation,” Ortberg stated.

Despite the ongoing labor unrest, Boeing’s performance has been under pressure. Last year, the company recorded its lowest output of aircraft deliveries since the onset of the pandemic, delivering just 348 planes to customers.

As the strike progresses, it remains to be seen how the situation will unfold and what impact it will have on Boeing’s recovery efforts amid reinvigorated shareholder expectations and market competitiveness. The resolution of this walkout could play a crucial role in shaping the company’s future trajectory in the aerospace sector.