Arch rivals India and Pakistan—both with nuclear weapons—signed a pair of security agreements in Islamabad, Pakistan, on Monday, ostensibly to give each other notice of ballistic missile tests and build links between the countries’ maritime agencies to help with enforcing territorial waters. Whether these deals will lead to a successful resolution of the long-running debate over which country controls the Kashmir region is questionable.
Denys Overholser, the Lockheed Martin engineer whose insights on the mathematics of radar cross section led directly to the first operational stealth attack airplane and permanently reshaped combat aircraft design and tactics, died April 28 at the age of 86.