They will only be considered qualified Aircrewmen once they complete an additional 18-month 'Utility" PQS in their new squadron. Although, to be considered "fully qualified", they will have to complete the Level II & III syllabus which can take another demanding 24 months.
To qualify as Aircrewmen, individuals must first complete a supplementary 18-month 'Utility" training program within their new squadron. To achieve full qualification, however, they will need to additionally complete the Level II & III curriculum, a process that can last up to 24 months of rigorous training.