An independent commission established by Congress to assess Iraq’s security forces will recommend remaking the 26,000-member national police force to purge it of corrupt officers and Shiite militants suspected of complicity in sectarian killings, Bush administration and military officials said Thursday.

The two-star general in charge of Walter Reed Army Medical Center was relieved of command on Thursday, following disclosures that wounded soldiers being treated as outpatients were living in dilapidated quarters and enduring long waits for treatment.