The U.S. Army has expanded a program that encourages immigrants with certain language and medical skills to enlist by offering them a fast track to U.S. citizenship.

The Military Accessions Vital to the National Interest, known as Mavni, will double to 3,000 enlistments in the fiscal year ending Sept. 30, and to 5,000 in fiscal 2016. The program is currently capped at 1,500 recruits.

“The...