The Navy is examining the option of moving up plans to increase the capacity of the Virginia-class (SSN-774) attack submarines for carrying land-attack cruise missiles, the service’s acquisition chief said Wednesday.Sean Stackley, the assistant secretary of the Navy for research, development and acquisition, told the House Armed Services Committee’s seapower subpanel that the Navy expects to have made a determination in the next few months about whether it can shift sooner toward adding the capacity to carry an additional 28…