The program allows physicians to pursue postgraduate training in the United States. Pre-vocational training – The normal duration of the bachelor`s degree (Baccalaureate) training required before entering postgraduate or vocational training. Selected Reserve – Ready Reserve units and individuals designated by their respective departments and approved by joint staff leaders as so important for early war missions that they have priority over all other reserves. All selected reservists are in an active state. The selected reserve also includes persons who perform the first active service for training. . . .