WASHINGTON (Reuters) – Hackers associated with the Chinese government have repeatedly breached the computer systems of U.S. companies, including airlines and technology firms, that are involved in the movement of U.S. troops and military equipment, a U.S. Senate panel has found. The Senate Armed Services Committee’s year-long probe, details of which were made public on Wednesday, found that U.S. Transportation Command, or Transcom, was only aware of two out of at least 20 such cyber intrusions within a single year. …