The House of Representatives announced its committee chairmen for the 114th Congress on Tuesday evening, featuring few changes on the committees that deal with the defense and security industry. Rep. Mac Thornberry (R-Texas) will replace retiring House Armed Services Committee chairman Buck McKeon (R-Calif.) in January, a move that many anticipated because he is next in line in seniority on the panel. “During my four years as Chairman, I’ve come to rely on Mac as a policy expert, a gifted…