that undergoing investigation led to a shackup at tsa.s working to enhance x ray units and training. >> jeff, thanks. >> the "cbs overnight news" will be right back. ♪ ♪

that undergoing investigation led to a shackup at tsa. under new leadership the agency is working to enhance x ray >> jeff, thanks. >> the "cbs overnight news" will >>> tonight the pentagon is claiming a big victory against al shabaab terrorists in one of strikes in years, u.s. war planes reportedly killed 150 people over the weekend at what the military says was a terrorist training camp. david martin is at the pentagon. david. >> reporter: scott, pentagon officials say they had been watching the camp located about 120 miles north of mogadishu for weeks. about 2300 fight 00 fighters for al-shabaab preparing an attack against a peacekeeping force, and 50 americans as advisers. the strike was launched saturday. armed drones caught the fighters lined up out in the open for what appeared to be their graduation ceremony. according to pentagon estimates, as many as 150 of them were killed. if that estimate is correct that would make this one of the single deadliest strikes against terrorists ever. one defense official said "they >> david marti