reform gun laws. deadly crash on the water. two boats collide, killing the five people on board. the dramatic rescue of one survivor the summer travel season off to a bumpy start with flight cancellations and delays piling up i just want to get home one of the biggest airlines announcing it s already canceled 100 flights every day for the entire season. tom cruise soaring into the record books. the new top gun movie is his biggest opening ever and ahead of memorial day, the emotional salute between a proud father and his heroic daughter announcer: this i nbc nightly news with kate snow good evening i m kristen welker in for kate snow. as families across the country prepare to mark memorial day, there is only deepening grief in uvalde, texas. and tonight, the justice department is weighing in, saying it will open a review into why it took officers nearly an hour to take out the gunman, as children were repeatedly calling 911. joe biden was in uvalde today, me
reporter: hoisted by helicopter to safety, this is one of four survivors in a deadly boat crash in georgia, where five others lost their lives. we re going to need additional ambulance i have unconscious victims. undoubtedly coming to you, a possible third in the water reporter: a memorial day weekend tragedy unfolding near savannah, georgia, saturday morning, when two center console boats traveling in opposite directions collided on the wilmington river authorities confirming savannah history teacher his chris lefler, his life, lori and their sons 23-year-old zach and 17-year-old nate died in the accident. as well as 37-year-old robert chauncey. there s a lot of people that are hurting right now. reporter: chris, known as a passionate, caring teacher and football coach we just looked at each other with tears in our eyes, how do you go on? reporter: officials