TRICARE Systems Manual 7950.3-M, April 1, 2015 Chapter 3 Defense Enrollment Eligibility Reporting System (DEERS) Revision: Section/Addendum Subject/Addendum Title 1.1 General 2.1 Referenced Documents 3.1 Beneficiary Identification 4.1 Defense Enrollment Eligibility Reporting System (DEERS) Concepts 4.2 Defense Enrollment Eligibility Reporting System (DEERS) Functionality 4.3 Defense Manpower Data Center (DMDC) Support 4.4 Test Environment 5.1 Defense Enrollment Eligibility Reporting System (DEERS) Functions In Support Of The TRICARE Dental Program (TDP) And The TRICARE Retiree Dental Program (TRDP) 5.2 Defense Enrollment Eligibility Reporting System (DEERS) Functions In Support Of The TRICARE Active Duty Dental Program (ADDP)