Final answer:
Sailors must attend indoctrination training for residents within 14 days of occupancy under the SAPR program.
Step-by-step explanation:
The Sexual Assault Prevention and Response (SAPR) program leader must ensure that all Sailors residing in unaccompanied housing attend indoctrination training for residents within 14 days of occupancy. It's crucial for military personnel to be aware of the resources and protocols related to sexual assault prevention as soon as they move into new accommodations. This policy is part of the military's proactive approach to handle and prevent issues of sexual assault.