FILE- In this March 21, 2018, file photo a Thai Lion Air employee displays a ceremonial key to the company's newest plane, Boeing's first 737 MAX 9 jet, following a delivery ceremony to the airline in Seattle. The United States and many other countries have grounded the Max 8s and larger Max 9s as Boeing faces the challenge of proving the jets are safe to fly amid suspicions that faulty sensors and software contributed to the two crashes in less than five months. (AP Photo/Elaine Thompson, File)
Featured Photo Galleries
