You will find that the clever people at certain MRO's know that the B1 and B2 requirement for support staff at Base Maintenance has also been removed
Alber - B1 and B2 support staff within base maintenance is still a requirement under current legislation. That requirement has NOT been removed. There is a working group in progress that has the potential to remove B1 and B2 support staff but this is being contested at a very high level.