North Korean leader Kim Jong Un waves during a military parade on Saturday, April 15, 2017, in Pyongyang to celebrate the 105th anniversary of Kim Il Sung's birth, the country's late founder and grandfather of current ruler Kim Jong Un. Wong Maye-E/AP

Soldiers in tanks take part in the military parade. Wong Maye-E/AP

North Korean soldiers carry flags and a photo of late leader Kim Il Sung as they march across Kim Il Sung Square. Wong Maye-E/AP

Female North Korean soldiers march during the parade. Wong Maye-E/AP

Missiles are paraded across Kim Il Sung Square. Wong Maye-E/AP

A rocket-themed float makes its way through Kim Il-Sung square. ED JONES/AFP/Getty Images

Soldiers salute while the national anthem is played during the parade. Wong Maye-E/AP

Women wearing traditional Korean dress wave flowers and shout slogans as they pass North Korea's leader Kim Jong-Un. ED JONES/AFP/Getty Images

A submarine-launched ballistic missile is displayed during the parade. Wong Maye-E/AP

A soldier stands guard at the Kim Il Sung Square. Wong Maye-E/AP

Korean citizens spell out "Day of the Sun" in Kim Il Sung Square. Kyodo News/Getty Images

University students carry the national flag and two bronze statues of the late leaders Kim Il Sung and Kim Jong Il. Wong Maye-E/AP

Helmeted servicemen march during the parade. Wong Maye-E/AP

Korean People's Army soldiers march on Kim Il-Sung square. ED JONES/AFP/Getty Images

North Korean men and women dressed to represent doctors and other medical workers during the parade. Wong Maye-E/AP

Members of the Korean People's Army ride on mobile missile launchers. ED JONES/AFP/Getty Images