CAPE CANAVERAL, Fla. (AP) — NASA honored the seven astronauts killed aboard shuttle Columbia 15 years ago, with a special musical tribute Thursday by the son of Israel's first astronaut.

Singer and songwriter Tal Ramon joined a few hundred others at Kennedy Space Center to remember the Columbia crew and other astronauts killed in the line of duty over the decades.

Seven astronauts — including Israeli astronaut Ilan Ramon— died Feb. 1, 2003, when Columbia shattered in the skies over Texas, just minutes before a Florida touchdown.

Ramon performed two of his own songs, singing in Hebrew and playi...