WASHINGTON — Lawmakers who came to Washington demanding budget cuts face a tough test now that President Barack Obama and military leaders want to shrink the force, shut down bases and cancel weapons to achieve them.

A new national security strategy reflecting an end to decade-long wars in Iraq and Afghanistan offers the opportunity to reduce military spending and government deficits by hundreds of billions of dollars over the next 10 years — but at a cost of thousands of jobs in lawmakers’ states and districts.

Democrats as well as Republicans are resisting, looking to protect home turf from California, where the Global Hawk unmanned aircraft is built, to Wisconsin, home to speedy Littoral combat ships, to military installations all across the country.

“It’s funny that we want to save money everywhere except when it can bother us,” Sen. Lindsey Graham, R-S.C., said in an interview. Graham is a member of the Armed Services Committee and one of the few lawmakers who favors another round of domestic base closings.

Defense Secretary Leon Panetta recently outlined a $525 billion budget for next year that’s $6 billion less than the current level. The proposal is the first step in the deficit-cutting plan that Obama and congressional Republicans agreed to last summer that calls for a reduction in projected military spending of $487 billion over 10 years.

“Make no mistake, the savings that we are proposing will impact on all 50 states and many districts, congressional districts, across America,” Panetta said at a news conference spelling out the new strategy. “This will be a test, a test of whether reducing the deficit is about talk or about action.”

Obama submits his complete budget proposal to Congress on Feb. 13, but Panetta’s preview included enough details to stir alarm on Capitol Hill.

The budget calls for canceling the Air Force’s Global Hawk program, a high-altitude unmanned aircraft used for intelligence, surveillance and reconnaissance. The Pentagon said the aircraft’s cost at $215 million apiece make it less cost-effective than the existing U-2 spy planes that burst on the scene in the 1950s and were critical in finding Soviet missiles in Cuba in 1962.

Northrop Grumman, the aircraft’s prime contractor, builds the planes in Palmdale, Calif., located in the district of the House Armed Services Committee Chairman Howard “Buck” McKeon.

The aircraft is based at Beale Air Force Base, near Marysville, Calif., soon to be in the redrawn congressional district of Democratic Rep. John Garamendi, a member of the committee. The program also is one of many that the Air Force manages at Wright-Patterson Air Force Base in the district of Rep. Michael Turner, R-Ohio, another committee member.

McKeon has criticized the overall military cuts but has not commented specifically on the Global Hawk.