"It is a challenge to have your launch date slip continuously"

This quote by Marc Garneau speaks to the problem of having a launch date slip continually. It suggests that there is an obstacle associated with having a launch date that is constantly being pressed back. This could be due to a variety of factors, such as technical concerns, weather condition hold-ups, or other unanticipated situations. It is most likely that the challenge Garneau is describing is the trouble of handling expectations and morale when a launch date is constantly slipping. It can be challenging to keep people encouraged and focused when the objective they are working towards is continuously being pushed back. It is also likely that the difficulty Garneau is describing is the problem of managing resources and finances when a launch date is continuously slipping. It can be difficult to plan and budget plan for a project when the timeline is continuously changing. Eventually, this quote talks to the problem of having a launch date slip continuously and the obstacle of handling expectations and resources in such a circumstance.