Survivor Benefits Summary
VA Survivor Benefits - http://www.vba.va.gov/survivors/index.htm
Army Casualty Affairs - http://www.armyg1.army.mil/Rso/casualty.asp
Navy Casualty Affairs - http://www.npc.navy.mil/CommandSupport/CasualtyAssistance/
Air Force Casualty Affairs - http://www.afpc.randolph.af.mil/library/casualty.asp
Army Long-Term Family Case Management - https://www.hrc.army.mil/site/Active/TAGD/CMAOC/CMAOCPages/FFCCC.htm. The Army has the Casualty and Mortuary Affairs Office (CMAOC) which assigns long-term case managers for survivors and dependents and will walk them through any and all questions they may have. The case manager will also assist in filling out paperwork for benefits, etc. They're home page is - https://www.hrc.army.mil/site/Active/TAGD/CMAOC/CMAOCPages/FFCCC.htm.
Social Security Survivor Benefits - http://www.ssa.gov/ww&os1.htm.
TRICARE Transitional Benefits for Survivors and Dependents - http://www.tricare.mil/FactSheets/viewfactsheet.cfm?id=324
Overall Benefit Information - http://www.military.com/benefits/survivor-benefits.