as normally you don't want start SSB, so no auto enroll. But you want to apply Medicare Part A at 65 (free) to preserve your Part B and D not to be charged penalty with later enrollment after 65.
as normally you don't want start SSB, so no auto enroll. But you want to apply Medicare Part A at 65 (free) to preserve your Part B and D not to be charged penalty with later enrollment after 65.