The Defense Department has not yet assigned senior officials to oversee developmental testing in most major weapons programs, according to a Pentagon report to Congress. The shortfall is spotlighted in the latest annual report from DOD acquisition chief Frank Kendall's developmental-testing and systems-engineering advisers. The gap relates to August 2010 guidance from Kendall that dubbed numerous acquisition posts -- including programs' testing chiefs -- "key leadership positions" to be filled by military officials of a certain rank. Kendall's guidance applied...