RecruitingSC2i Tissue and Data Repository ProtocolThe purpose of this study is to collect samples of blood, urine, cerebrospinal fluid (CSF, the fluid that surrounds the brain and spinal cord), wound tissue and/or wound fluids, and other body fluids and tissues from people who have been seriously injured or ill. The samples will be used to develop and assess tests and/or tools that doctors can use to decide the best treatment plan for seriously injured or ill military personnel and for civilians. Additonal protocols to use the samples will be submitted as separate protocols.