A VSP would just result in a bunch of rejected applications from pilots (or no applications if you didn't include them)
The fundamental problem is that, in aggregate, we can't get the officers we want gone to leave. At the same time, we can't get the officers we want to keep to stay.
On the short haul, I would do a mix of a RIF and bonuses. Well, we're doing half of that. On the long haul, promotions need to be career-specific. ...but nobody asked me.