“March 28 2013 – US sends nuclear-capable B-2 bombers to SKorea; March 26 2013 – U.S. Army learns hard lessons in N. Korea-like war game; March 20 2013 – U.S. flies B-52s over South Korea; March 19 2013 – S. Korea, U.S. carry out naval drills with nuclear attack submarine; March 17 2013 – Troops remember sacrifices of Cheonan sailors; March 12 2013 – First day of SK-US military exercises passes without provocation; March 8 2013 – Air Assault Course increase 2ID capabilities; March 8 2013 – ‘Frozen Chosen’ Marines; March 6 2013 – S. Korea says it will strike against North’s top leadership if provoked.”
http://www.moonofalabama.org/2013/03/whos-provocative-action.html