"I just wanted to hold him and tell him that I'm here for you, that I care," Bay Park resident Kathryn Antonson said.
Like many of the estimated 300 people at the service, Antonson did not know know Dong Yoon or his family, but they still felt they had to attend.
"We just felt the need to pray with his family," Oceanside resident Rock Ducas said. "It's unbelievable what happened."
People wept openly during the one-hour memorial service, including Bay Park resident Constance Wasson.
"You know, I can't even look at the pictures [of the family] --I'll just lose it," Wasson said. "But I know the heart of the county is with this family."
Killed in the crash were Young's wife, Young Mi, 36; his two baby daughters, Grace and Rachel; and his mother-in-law Suk Im Kim. The victims were at the family's home in University City when an F/A-18D Hornet crashed.
Yoon and his surviving family members all attended the service. Some of those family members flew in from Korea, including Yoon's father-in-law. Members of the Marines also attended and sat in the front row.
An MCAS Miramar representative told NBC 7/39 that the Secretary of the Navy approved emergency funding for the Yoon family on Wednesday night. The money will be used to help pay for his family's burial.
Senior Pastor Daniel Shin said since Monday, his church has been getting e-mails from people all over the country who want to help Yoon.
"A man in Rancho Penasquitos told me Mr. Yoon can live in his empty condo for as long as he needs," Shin said.
The pilot who crashed the hornet did not attend the service.