Complex sentence: The mission was assigned to the 1st Brigade Combat Team of the 4th Infantry Division, commanded by Maj. Gen. Raymond Odierno and led by Col. James Hickey of the 4th Infantry Division, with joint operations Task Force 121-an elite and covert joint special operations team.
Split into simpler sentences: The mission was assigned to the 1st Brigade Combat Team of the 4th Infantry Division, commanded by Major. Gen Raymond Odierno and led by Col. James Hickey of the 4th Infantry Division, with joint operations Task Force 121-an elite and covert joint special operations team.