HONG KONG, June 12 (UPI) -- The critical problem that is perplexing China-Russia military cooperation right now is the Ilyushin Il-76 transport aircraft deal.

HONG KONG, June 6 (UPI) -- Satellite photos of the Leping Ballistic Missile Base in China's southeastern province of Jiangxi show this is a key site for the deployment of the People's Liberation Army Air Force's DF-15A campaign tactical missiles. The direct distance from the base to Taiwan is 435 miles.

HONG KONG, May 29 (UPI) -- The No. 1 Division in north China is among the first bases to receive a complement of J-10 fighters. This division obviously has been given priority attention; it was the first to receive indigenous J-11 and J-11B fighters, and the third air force division to receive Su-27SK/J-11 fighters earlier.

HONG KONG, May 29 (UPI) -- Front-line combat units of China's People's Liberation Army air force will have at least 112 J-10 fighter jets by the end of the year, an analysis of current deployments and in-progress production reveals.

HONG KONG, May 16 (UPI) -- China's air force has substantially reinforced its air defense posture in Jiangxi province in the past year. There are indications that China has completed its second-line air defense operational deployment against Taiwan centered on Fujian and Jiangxi provinces. This has greatly expanded the depth of China's air defense coverage.

HONG KONG, May 9 (UPI) -- Over the past 20 years, China's military investment has grown faster than any other country. The bamboo curtain that formerly enveloped the country has become a copper curtain.

HONG KONG, May 2 (UPI) -- Russia will deliver to China four battalions of 200-kilometer-range S-300PMU2 surface-to-air missiles this summer, the last batch in a series ordered by China. The first batch of four battalions of the same missiles was delivered in July 2007.

HONG KONG, April 18 (UPI) -- China's intelligence agency has reinforced its infiltration activities in Europe, North America, Japan and Russia in recent years. An analysis of numerous cases leads to the conclusion that China has shifted its tactics in recruiting citizens of Western countries.

HONG KONG, April 11 (UPI) -- China's stockpile of intermediate-range ballistic missile nuclear warheads should by no means be ignored.