Reports have emerged of mental health and supply issues aboard the USS Abraham Lincoln, amid a record-setting uninterrupted time at sea of more than 240 days.
The two leaders will also attend Sen. Lindsey Graham's funeral service.
Neither the U.S. nor Iran reported carrying out any attacks for three straight days - a respite after weeks of bombardments that led to fears of a return to all-out war.
The four American troops killed during renewed fighting between the U.S. and Iran in recent weeks are no longer listed as part of the Iran war death toll in the Pentagon's official casualty count.
Following the collapse of the U.S.-Iran ceasefire deal, scores of American troops have been injured and at least four service members have been killed.
A U.S. soldier killed in Iraq during a controlled detonation of an Iranian drone was a 30-year-old father from North Carolina who had served for nearly a decade.