High Quality Content by WIKIPEDIA articles! Yamada Corporation is a defense trading company based in Tokyo, Japan. YAmada was a representative of Lockheed Martin for the Army Tactical Missile System (ATACMS,) which is capable of reaching North Korea and Liancourt Rocks from Japan's mainland. THe ATACMS has been displayed in the exhibition sponsored by the Congressional National Security Research Group, which is admnistered by Naoki Akiyama, the managing executive for Japan-U.S. CEnter for Peace and Cultural Exchange ex Japan-U.S. CUltural Society. ON November 2, 2007, Yomiuri Shimbun reported General Electric's decision to temporarily suspend its agreements with Yamada Corporation, the representative for C-X engine as well as its subsidiary Yamada International Corp. THe C-X is the next-generation cargo transport aircraft under development by the Technical Research and Development Institute (TRDI) and Kawasaki Heavy Industries, Ltd.. ON December 3, 2007, GE terminated its representation contract with the firm.