Boeing Co. ousted the top executive for its defense and space division, in the first major shakeup by Kelly Ortberg since he took over as chief executive officer last month.

Boeing said on Friday the head of its troubled space and defense unit is leaving the company immediately, in the first management change under new CEO Kelly Ortberg. Ortberg who took over in August said Ted Colbert would be leaving and Steve Parker,

The head of Boeing’s defence business is leaving the company after years of losses from fixed-price contracts and a high-profile debacle with its space capsule that left two astronauts in space. Chief executive Kelly Ortberg said in a memo to employees on Friday that Ted Colbert,