They feared that during launch, ice might be shaken loose and strike the shuttle's thermal protection tiles, possibly due to the aspiration induced by the jet of exhaust gas from the SRBs.
Mereka takut bahwa selama peluncuran, es mungkin terguncang longgar dan menyerang ubin perlindungan termal pesawat itu, mungkin karena aspirasi yang disebabkan oleh jet dari gas buang dari SRBs.