Take it from a Navy vet, frilly undies are okay --- after she gets out. But during inspection good cotton is best. They are folded and stacked in your locker, silkies tend to slip and slide all over the place and not look neat. You also do not want to call attention to yourself, trust me on this. Letters/cards from home on a regular basis is best. It is a cultural shock and they need a touch of home to keep sane. Remember they only have their duffel bag to carry around stuff. You would not believe the stuff they throw away in the trash before they move to their next assignment. Due to to much weight or not enough room. God Bless her for going in and serving.