The military has a retention problem, and Pentagon and branch officials are scrambling to come up with incentives to keep service members from separating or retiring. In order to try and stave off retirement among the most experienced senior enlisted service members, the Defense Department is looking at retirement benefits as incentives for recruitment and retention. It now wants to remove eligibility limits on the dollar-for-dollar contributions for made to enlisted troops’ 401(k) accounts under the new “blended retirement system.”