READ: Lt. Col. Alexander Vindman's opening statement in impeachment hearing

READ: Lt. Col. Alexander Vindman's opening statement in impeachment hearing
© Greg Nash

Lt. Col. Alexander VindmanAlexander VindmanOvernight Defense & National Security — Presented by Raytheon Technologies — Nation mourns Colin Powell Progressive veterans group endorses McAuliffe in Virginia governor's race Should reporters Woodward, Costa have sat on Milley-Trump bombshell for months? MORE, a top White House expert on Ukraine, testified on Tuesday in the House impeachment inquiry into President TrumpDonald TrumpJan. 6 panel plans to subpoena Trump lawyer who advised on how to overturn election Texans chairman apologizes for 'China virus' remark Biden invokes Trump in bid to boost McAuliffe ahead of Election Day MORE.

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Vindman described attacks on him and other witnesses as “reprehensible” and “cowardly.”

He also recognized career officials for their courage in coming forward to raise concerns about the administration’s policies toward Ukraine.

Read his opening statement below.

Read Vindman opening statement on Scribd