The Pentagon is sending additional air defenses to the military base in Jordan where a drone strike killed three U.S. service members Sunday. CBS News national security correspondent David Martin reports. Source

Sgt. Kennedy Sanders was one of three U.S. service members killed in a drone attack at a base in Jordan over the weekend. Source

The retired space shuttle Endeavour was hoisted into place for display Monday in Los Angeles. The orbiter, fused to the external boosters that helped blast the shuttles out of Earth’s atmosphere, is the first to be displayed in its upright position as though ready for launch. Elise Preston reports. Source

CEOs from five of the biggest tech companies are set to testify on what they’re doing to protect children who use their social media platforms. Jo Ling Kent speaks to a woman whose daughter died by suicide following sexual exploitation by online predators. Source

Alaska Airlines has begun returning its fleet of Boeing 737 Max 9s to service after a door blew off mid-flight earlier in January. Kris Van Cleave got an inside look at the airline’s inspection process for the grounded planes. Source

The family of Kennedy Sanders, one of three U.S. troops killed in a drone attack on a base in Jordan, is opening up following their tragic loss. Manuel Bojorquez shares their story. Source

The family of Kennedy Sanders, one of three U.S. troops killed in a drone attack on a base in Jordan, is opening up following their tragic loss. Manuel Bojorquez shares their story. Source

U.S. forces are trying to protect ships in the Red Sea amid attacks from Houthis rebels. “CBS Evening News” anchor and managing editor Norah O’Donnell shows us how a reconnaissance plane is aiding naval forces in the effort. Source

House Republicans are moving forward with articles of impeachment against Homeland Security Secretary Alejandro Mayorkas, saying he bears responsibility for the situation at the U.S. southern border. Democrats, however, say they have no evidence of high crimes or misdemeanors. Nikole Killion has the latest. Source

Several members of Canada’s 2018 world junior team are being charged for an alleged sexual assault. Source