It's a recent morning out in California's Mojave Desert, and Marine Lance Cpls. Paula Pineda and Julia Carroll are struggling to pick up and maneuver Carl. He's a 220-pound dummy, and a stand-in for a wounded Marine.
It's no secret that the Secret Service has had a few public-relations problems over the past few years.
Not the least of which was a man who scaled the White House fence and made it all the way inside the home of the American president and his family.
People who struggle with suicidal thoughts will often reach out to friends and family first. But when our social circle lives online these days, the biggest social media networks grapple with how to intervene and with getting users the right kind of help.
In the dry and craggy hills of California's Mojave Desert, Capt. Ray Kaster tries to shout over the din of a machine gun to be heard by Alpha Company, the unit of Marines he's working with during a month of rigorous instruction at Twentynine Palms training center.