President Donald Trump struck a deal for the replacement aircraft during his first term. Boeing is working with Trump advisor Elon Musk on ways to deliver delayed, overbudget Air Force One replacements sooner, CEO Kelly Ortberg said Tuesday.

Passengers on Qantas flights between Sydney and Johannesburg have encountered unexpected delays recently, with the airline attributing the disruptions to falling rocket debris from Elon Musk ’s SpaceX. The southern Indian Ocean, a region frequently crossed by Qantas flights, has become a designated splashdown zone for re-entering SpaceX rockets.

Boeing has lost more than $2 billion producing the Next Air Force One after President Donald Trump renegotiated the deal in his first term.