Trump recalled meeting the outgoing chairman of the Joint chiefs at a Marine Corps event in 2015.
Gen. Dunford made his comments during a ceremony at Peterson AFB recognizing the re-launch of U.S. Space Command.
Dunford's comments follow a widely read new editorial from former SecDef Jim Mattis warning of the dangers of tribalism.
Marine Gen. Joseph Dunford said the Pentagon has developed a specific plan.
Joint Chiefs Chairman Gen. Joseph Dunford said the U.S. faces a new and varied threat from Iran.
Lawmakers on Thursday indicated they remained skeptical of the Pentagon's latest proposal to stand up a U.S. Space Force.
Dunford said he was concerned that the work Google was doing with China on AI was undermining the U.S military.
Dunford said he's worked hard to improve relations with NATO-allied Turkey, but the S-400s could be a deal-breaker.
U.S. and Turkish military leaders are working together on a plan for U.S. withdrawal from Syria.
The Joint Chiefs chairman is assisting in the effort to dissuade Turkey from attacking U.S.-backed Syrian Kurds.