'Friendship Action 2010' Sino-Romanian army mountain troops to conduct joint training in Kunming exercise is the first exercise to practise strategic projection of army corps in joint campaigns organized by the PLA. It is also a campaign exercise uniformly designed by the PLA general headquarters/department and organized and conducted by three military area commands at the same time. the exercise progressing in complicated electromagnetic environment gave prominence to such characteristics as the Army and Air Force joint action, actual-troop test, and operation under information and field-based conditions. By adopting such manners as air and railway transportation and motorized maneuver, the participating troop units conducted long-distance maneuver to the outside of their own theatres in succession and maneuvered a distance of more than 10,000 km in total. ã€€ã€€After arriving at the designated areas, the participating troops carried out actual-troop drills, including joint campaign command, joint firepower strike, comprehensive protection and accurate support, in the large combined tactics training bases of other theatres.