The Pentagon's gambit to bolster missile defense spending in the final weeks of the fiscal year with a September reprogramming request seeks $5 million for a classified project that appears to be linked to an effort aiming to harness artificial intelligence to hunt and destroy nuclear-tipped mobile missiles. On Sept. 7, the Pentagon's comptroller asked lawmakers for permission to shift funds between Defense Department accounts in order to increase both research and development as well as procurement spending on missile...