U.S. Special Operations Command leaders are refining a plan to expand roles for women among their ranks, allowing them to participate as Navy SEALs, Army Rangers and other Special Forces units, service officials told lawmakers.

The U.S. Army's top leadership held a closed-door meeting Tuesday that's likely to result in the selection of the service's next official camouflage pattern.

The FBI has taken over the investigation to find those responsible for setting off two bombs Monday near the finish line of the Boston Marathon, killing three and injuring at least 140 in what federal authorities have labeled a terrorist attack.