WASHINGTON – The Pentagon is planning to expand the number of foreigners it recruits into the military in yet another effort to make up for chronic shortages of doctors, nurses and linguists available for wartime duty.

The Defense Department already draws from aliens living in the United States on green cards and seeking permanent residency. But under a trial program, it will now look to also recruit from pools of foreigners who've been living in the states on student and work visas, with refugee or political asylum status and other temporary visas. ....