Rescue team in Iran face 'harrowing and dangerous' search for US crew member (bbc.com)

The search operation is ongoing deep inside Iran for a second crew member, according to CBS, the BBC's US partner.

Combat search and rescue (CSAR) missions are considered among the most complex, time-sensitive operations that US and allied militaries prepare for.

He was part of a team targeting civilian infrastructure, and leading to the loss of civilian life.