The us president has chosen a solemn tone in his speech, away from the martial accents adopted in the face of protests against racism and police brutality of the last few weeks that have pushed the most senior officials in the Pentagon to dissociate itself publicly from the word presidential.

"The army was first in line to put an end to the terrible injustice of segregation during the civil rights struggle in the 1960s, he said, in front of the 1.107 "cadets" (cadets) sitting under the sun by respecting a distance physical, pandemic coronavirus requires.