The Pentagon is opposed to calls from some lawmakers for troops to be allowed to carry concealed weapons on base after this week’s Fort Hood shooting, a defense official said Friday.

“The Department took a close look at this after the 2009 shooting at Fort Hood and again after the Navy [Yard] shooting, and our position is we do not support arming all personnel on post, camps, stations,” Pentagon spokesman Army Col. Steve Warren said.

Army Spc. Ivan Lopez, 34, went on a shooting rampage at Fort Hood on Wednesday that left three dead and 16 injured. Lopez also shot and killed himself.

Texas Reps. Michael McCaul and John Carter both called for allowing troops to carry concealed weapons in response to the violence.

Sen. Lindsey Graham (R-S.C.) echoed their comments at an Army hearing on Thursday, when he said he expects a jihadist threat against U.S. troops at home to increase.

Warren said the Pentagon opposed the move for various reasons.

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