Thursday, April 3, 2008; A10

March 24, 2008: Chi Mak, a former engineer at a naval contractor, is sentenced to 24 1/2 years in prison for conspiring to export warship technology to China. He was also convicted of acting as an unregistered foreign agent of China.

March 7, 2008: WaveLab, a Reston company, pleads guilty in federal court to illegally exporting “controlled power amplifiers,” which have military applications, to China between February 2006 and October 2006.

Feb. 11, 2008: Dongfan Chung, a former Boeing engineer, is arrested after being indicted for allegedly stealing information about the space shuttle, the Delta IV rocket and the Air Force C-17 and passing it to China as an unregistered agent. The indictment said he made many trips to China, giving lectures and meeting with Chinese officials.

Jan. 25, 2008: Ding Zhengxing and Su Yang are arrested in Saipan for allegedly trying to buy and export amplifiers used in digital radios and wireless area networks that are controlled by U.S. export laws.

Dec. 3, 2007: Philip Cheng is sentenced in California to two years in prison for brokering the export to China of Panther series infrared cameras, which have night-vision technology.

Oct. 31, 2007: Bing Xu of Nanjing, China, is charged in New Jersey with attempting to export military goggles from the United States to China. Court papers claim he arrived in New York shortly after his Chinese employer transferred $14,000 to pay for the equipment, which is sold under restrictions.

Oct. 26, 2007: Noshir Gowadia is charged in Hawaii with transmitting information to China related to making cruise missile exhausts hard to detect.

Oct. 18, 2007: Qing Li is charged in California with conspiracy to export military-grade accelerometers, which have some applications in smart bombs, missile development and what the Justice Department described as “calibrating the g-forces of nuclear and chemical explosions.”

Sept. 26, 2007: Lan Lee and Yuefei Ge are charged in California with economic espionage and theft of trade secrets from two companies on behalf of a Chinese military program.

Aug. 1, 2007: Xiaodong Sheldon Meng pleads guilty in California to violating the Economic Espionage Act to benefit China’s Navy Research Center. He exported source code for simulation software for the precision training of fighter pilots.

Aug. 1, 2007: Yang Fung, president of Excellence Engineering Electronics, pleads guilty in San Francisco to illegally providing microwave integrated circuits to China, in violation of Commerce Department rules.

March 27, 2007: ITT Corp. pleads guilty and pays a $100 million fine for exporting night-vision data to China, Singapore and Britain, one of the largest such fines for export-control violations.