not in any particular order...some other suggestions

DD214 and shot records
Will and last requests
Surrogate of Health Care authorization
DNR directions and authorization
Power of Attorney
deed of property
deed of sepulcher
property insurance
personal insurance
vehicle insurance
vehicle titles

photocopy of insurance cards and licenses on waterproof paper
photocopy of important business cards on waterproof paper
photocopy of important phone numbers on waterproof paper