An air show is seen ahead of Abdel Fattah al-Sisi's swearing-in ceremony in Cairo, Egypt on June 2, 2018. President Abdel Fattah al-Sisi was sworn in on Saturday as the President of Egypt for a second term until 2022, state-run Nile TV reported. (Xinhua/Ahmed Gomaa)

An air show is seen ahead of Abdel Fattah al-Sisi's swearing-in ceremony in Cairo, Egypt on June 2, 2018. President Abdel Fattah al-Sisi was sworn in on Saturday as the President of Egypt for a second term until 2022, state-run Nile TV reported. (Xinhua/Ahmed Gomaa)

An air show is seen ahead of Abdel Fattah al-Sisi's swearing-in ceremony in Cairo, Egypt on June 2, 2018. President Abdel Fattah al-Sisi was sworn in on Saturday as the President of Egypt for a second term until 2022, state-run Nile TV reported. (Xinhua/Ahmed Gomaa)

An air show is seen ahead of Abdel Fattah al-Sisi's swearing-in ceremony in Cairo, Egypt on June 2, 2018. President Abdel Fattah al-Sisi was sworn in on Saturday as the President of Egypt for a second term until 2022, state-run Nile TV reported. (Xinhua/Ahmed Gomaa)

An air show is seen ahead of Abdel Fattah al-Sisi's swearing-in ceremony in Cairo, Egypt on June 2, 2018. President Abdel Fattah al-Sisi was sworn in on Saturday as the President of Egypt for a second term until 2022, state-run Nile TV reported. (Xinhua/Ahmed Gomaa)

An air show is seen ahead of Abdel Fattah al-Sisi's swearing-in ceremony in Cairo, Egypt on June 2, 2018. President Abdel Fattah al-Sisi was sworn in on Saturday as the President of Egypt for a second term until 2022, state-run Nile TV reported. (Xinhua/Ahmed Gomaa)