Now Playing: Deployed dad watches infant son in hospital 24/7 thanks to webcam technology

Now Playing: Military dad deployed overseas surprises son at high school football game

Now Playing: 5-year-old bonds with neighbor over yardwork while his dad is deployed overseas

Now Playing: Military dad and unit learns cheerleading routine for daughter

Now Playing: Boy gets his only wish granted on his 9th birthday

Now Playing: National recall on UTZ tortilla chips

Now Playing: Vaping device may have blown up in a man's face

Now Playing: Temperatures hit triple digits from Phoenix to Las Vegas

Now Playing: Manhunt in Missouri after deadly road rage

Now Playing: Hawaii is in a state of emergency

Now Playing: Deployed dad surprises son for his birthday

Now Playing: In Memoriam for April 2018

Now Playing: 3 Americans still detained in North Korea as summit looms

Now Playing: Nightmare for passengers as dozens of staterooms flood on Carnival cruise

Now Playing: Paralympian's inspiring story of strength and resolve

Now Playing: Police dispatched to wrong Waffle House when first calls on shooting came in

Now Playing: Trump talks tax reform as questions swirl amid Stormy Daniels scandal

Now Playing: Evacuations underway in Hawaii as massive volcano threatens island

Now Playing: New eruptions from Kilauea volcano in Hawaii

Now Playing: Undercover ATF agent shot in the face