On behalf of the members of the Brigade, 1,500 of whom were in formation at the stadium, he presented the Brigade flag to the President who said: "Commander I assure you that this flag will be returned to this Brigade in a free Havana." Since his arrival in the United States, Oliva developed a close relationship with U.S. Attorney General Robert F. Kennedy.
On behalf of the Brigade's members, 1,500 of whom were present at the stadium, he presented the Brigade flag to the President who pledged: "Commander I guarantee that this flag will be returned to this Brigade in a liberated Havana." Since his entry into the United States, Oliva established a close connection with U.S. Attorney General Robert F. Kennedy.