(CNN) -- All 12 of the victims killed in Monday's shooting rampage at Washington's Navy Yard were contractors or civilians, authorities said Monday night. Officials identified seven of those killed. They are: Michael Arnold, 59; Sylvia Frasier, 53; Kathy Gaarde, 62; John Roger Johnson, 73; Frank Kohler, 50; Vishnu Pandit, 61; and Kenneth Bernard Proctor, 46; None of those killed were military personnel, authorities said. Wounded survivors of Monday's shooting are eligible for treatment at a U.S. military' hospital, just as if they were soldiers wounded in war. U.S. Navy Secretary Ray Mabus announced that Walter Reed Military Medical Center in Bethesda, Maryland, is open to them as he visited two civilian Navy workers being treated at MedStar Washington Hospital Center Monday afternoon.
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NEW: None of those killed were military personnel, authorities say
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A wounded cop asked to call mom before surgery, doctor says
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A Navy commander says he saw maintenance worker shot in head
Mabus said Monday that it could take 24 to 35 hours for @placeholder officials to account for everyone.