In an unprecedented move, the IDF has begun drafting students in their first year of Hesder yeshiva who are not yet registered within the framework of the Hesder system, Arutz Sheva has been informed. As a result, thousands of 18 year olds currently in Hesder yeshivos may be required to serve a full three year stint in the army, as part of the general soldier units, as opposed to the Hesder units they expected to serve in.
The five-year Hesder program mixes Torah study with IDF service. Recruits in the program spend their first year and a half in the framework studying in Yeshiva, then serve in the regular army for a year and a half, alternating with semesters of study in their Yeshiva. Read more here.