Lufthansa subsidiary's Chief Technical Officer Peter Wojahn (L to R) poses together with Ryan DeBrusk, vice president of sales at Bombardier, Rob Dewar, vice president & general manager Bombardier CSeries program and fleet chief of Swiss International Air Lines Peter Koch, as a Bombardier CSeries passenger jet (C) rolls past in the background at Zurich airport March 23, 2016. The launch customer for Bombardier's new CSeries jetliner, Swiss International Air Lines, said on Wednesday it was confident of receiving the jet by June and that it planned to begin services in the third quarter. REUTERS/Arnd Wiegmann