The nominee to be the next head of U.S. Pacific Command estimates the organization's Hawaii-based headquarters has 25 percent of the intelligence, surveillance and reconnaissance capability it requires, an appraisal that points to a significant shortfall but also a marked improvement compared to an assessment PACOM offered a year ago. Adm. Philip Davidson provided an assessment of capabilities he believes are required to support operations and war plans in the largest geographic region of the U.S. military's unified command plan,...