Three Republican congressmen asked Secretary of Defense Lloyd Austin to provide more resources to servicemembers who want to vote in the presidential election.Reps. Brian Mast, R-Fla., Mike Waltz, R-Fla., and Bill Huizenga, R-Mich., signed a letter telling Austin there were “deficiencies” in the Department of Defense’s procedures allowing servicemembers to vote before Election Day.“We urge…