The surviving National Guard member wounded in the D.C. shooting is now breathing on his own and can stand with assistance, his medical team said Friday.

Air Force Staff Sgt. Andrew Wolfe's medical team said in a statement that the National Guard member "has made extraordinary progress" in the 16 days since he was airlifted to MedStar Washington Hospital Center with a critical gunshot wound to the head.

National Guard member Air Force Staff Sgt. Andrew Wolfe CBS News

"He is now breathing on his own and can stand with assistance—important milestones that reflect his strength and determination," his neurosurgeon, Jeffrey Mai, said in the statement.

West Virginia National Guard members Wolfe, 24, and Army Spc. Sarah Beckstrom were shot in an ambush-style attack in Washington

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