BEIJING, Aug. 3 -- The Eastern Theater Command of the Chinese People's Liberation Army (PLA) organizes joint combat training exercises in the northern, southwestern and southeastern waters and airspace off the Taiwan Island on August 3, involving troops from the Navy, Air Force, Rocket Force, Strategic Support Force and Logistic Support Force under the Eastern Theater Command. The exercises focus on key training sessions including joint blockade, sea target assault, strike on ground targets, airspace control operation, and the joint combat capabilities of the troops got tested in the military operations.