Shyu memo on new acting MDA director

In a July 27, 2023 memo, Under Secretary of Defense for Research and Engineering Heidi Shyu designates Navy Rear Adm. Douglas Williams -- promoted from captain the previous June -- to head the Missile Defense Agency while Air Force Maj. Gen. Heath Collins' appointment to lead MDA is held up over Sen. Tommy Tuberville's (R-AL) objection to DOD's women's health policy.