Krista Meinert and her daughter Randi plan to climb the highest mountain in the western hemisphere, Aconcagua in Argentina. “I think the whole thing is about the process,” Meinert said.

Krista Meinert touches the headstone of her son, U.S. Marine Corps Lance Cpl. Jacob alexander Meinert, as she visits his grave Monday at Arlington National Cemetery in Arlington, Va. President Joe ...