A Marine test pilot turned astronaut is slated to lead the next crewed mission to the International Space Station.
A Camp Lejeune, North Carolina, Marine died in a Thursday training accident in Twentynine Palms, California.
The talks will pave the way for action by G-7 leaders when they meet next month in Hiroshima.
Before becoming an astronaut, Walter Cunningham enlisted with the Navy in 1951 and served as a Marine Corps pilot in Korea, according to NASA.
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