SAN FRANCISCO - US aircraft giant Boeing Co announced Monday that it will invest $11 million to help train a skilled modern manufacturing workforce to address a possible crisis of skilled workers in the future. The NSF's Directorate for Education and Human Resources, which will contribute $10 millions to complement Boeing's investment, will focus on reskilling and increasing the skill level of the US STEM workforce. In addition, Boeing will give an extra $1 million to the NSF to help boost US innovation leadership. The new investment represents Boeing's fresh efforts to brace for a possible shortage of skilled manufacturing workforce in the future, as the Bureau of Labor Statistics under the US Department of Labor reported a new all-time high in manufacturing job openings in July. Last year, Boeing pledged to invest $300 million in employees, infrastructure and local communities as a result of US tax reform unveiled by the federal government, with 100 million dollars dedicated to workforce development.