By Phil Gast, CNN
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(CNN) – Several years ago, Satwant Singh Kaleka put a large American flag in the front of his yard, raising the eyebrows of his children, who thought it might be considered an eyesore.
Kaleka pointed out there were no homes nearby with flags, and he wanted to show that the United States was a land of opportunity, said his son, Amardeep Kaleka.
The elder Kaleka, 65, served as president of the Sikh temple in Oak Creek, Milwaukee, scene of Sunday morning's mass shooting. He was one of six community members killed.
"He lived the American dream," Amardeep Kaleka told CNN's "AC360" on Monday night. His father brought his family to the United States with little money but a strong work ethic in the early 1980s. The flag also was a form of protection for the family, Satwant Kaleka told them.
It stood at half-staff Monday evening as the family grieved.