Following the transfer of the last of its patients this week, the historic Walter Reed Army Medical Center in Washington, D.C., estimates the closure will cost $1 billion over plan, reports NPR. With the closure aimed at making the hospital more efficient and saving costs, the transfer to nearby facilities would have saved $172 million a year, according to the article. However, the costs to close down Walter Reed and rebuild elsewhere were underestimated while construction costs went up, according to the article. Article