The effort to replace the Mk21 reentry vehicle fuze -- intended to be deployed on the Air Force's legacy and future intercontinental ballistic missile systems -- is being rebaselined as a result of technical issues with energy storage components called capacitors. The National Nuclear Security Administration found the capacitors did not meet reliability requirements, Leah Bryant, an Air Force spokeswoman, told Inside Defense in an email Wednesday. This is the same problem that is causing delays and hundreds of...
