Until they changed over to using Social Security numbers, the service number question was always a good one. Anybody who’s been through boot camp has had that number indelibly imprinted on his brain. Even today, I can rattle mine off without even thinking about it and I’ve been out for almost 40 years.
Same here about the SS#.
Also the same length of time since service.
Course keep the # fresh with always having
to answer last four at VA when signing in.