Returning service-members are to be reemployed in the job that they would have attained had they not been absent for military service, this is known as the "escalator principle" (See FISHGOLD v. SULLIVAN DRYDOCK & REPAIR CORP., 328 U.S. 275 (1946) ), with the same seniority, status and pay, as well as other rights and benefits determined by seniority. USERRA also mandates that reasonable efforts (such as training or retraining) be made to enable returning service members to refresh or upgrade their skills to help them qualify for reemployment. The law clearly provides for alternative reemployment positions if the service member cannot qualify for the "escalator" position. USERRA also provides that while an individual is performing military service, he or she is deemed to be on a furlough or leave of absence and is entitled to the non-seniority rights and benefits accorded other individuals on comparable types of non-military leaves of absence.