VIDEO-Trump administration removes experts from Defense Policy Board - CNNPolitics

(CNN)Several high profile members of the Defense Policy Board were removed on Wednesday by the Trump administration, in yet another purge of longstanding foreign policy experts and national security establishment figures in the final days of the Trump era, according to three defense officials.

Members who were suddenly removed include former Secretaries of State Madeleine Albright and Henry Kissinger, former ranking member of the House Intelligence committee Jane Harman and former House Majority Leader Eric Cantor, two of the officials said.

The Defense Policy Board is an outside advisory group of former high profile national security officials who "provide the Secretary of Defense and the Deputy Secretary of Defense, independent, informed advice and opinions concerning matters of defense policy in response to specific tasks from the Secretary of Defense, the Deputy Secretary of Defense," according to their website.

"As part of long-considered changes, we can confirm that several members of the Department's Defense Policy Board have been removed. We are extremely grateful for their dedicated service, commitment, and contributions to our national security. Future announcements for new members of the board will be made soon," the third official said.

The first two officials said the members removed also included former Chief of Naval Operations, retired Adm. Gary Roughead, former chief operating officer at the Pentagon Rudy De Leon and former Bush deputy national security adviser J.D. Crouch II.

first reported the removals.

Acting Defense Secretary

, who made an unannounced trip to Bahrain and Qatar Wednesday nearly a week after

US troops in Iraq and Afghanistan would be further reduced, said in a statement Thursday, "I am grateful to the departing board members, many of whom have served for decades."

"As we adapt the Department for great power competition, I look forward to naming new board members in the coming days," Miller said.

After Trump

earlier this month, the Pentagon made sweeping changes in leadership and removed several most senior officials, replacing them with perceived loyalists to the President. The move fueled alarm among military and civilian officials who were concerned about what could come next.

The new appointments include retired

now a top Pentagon official, who once called former President Barack Obama a terrorist leader and suggested that a former CIA director was using a Cicero quote to activate a sleeper agent to kill Trump.

, former aide to Republican Rep. Devin Nunes of California, is chief of staff to Miller and leading Pentagon transition efforts with the incoming Biden-Harris administration.

Ezra Cohen-Watnick was also named to a new post and will be the acting under secretary of defense for intelligence. Cohen-Watnick

in March 2017 for his alleged involvement in providing intelligence materials to then-House Intelligence Chairman Nunes, who went on to claim that US intelligence officials improperly surveilled Trump associates.

CNN's Chandelis Duster contributed to this report.