It's very impressive. The Russians also fixed the insulation on their Proton rocket carrying Spektr-RG with some glue and launched a day later! They had to wait

It's very impressive. The Russians also fixed the insulation on their Proton rocket carrying Spektr-RG with some glue and launched a day later! They had to wait a month after the previous problem, however, which required a battery replacement: http://www.russianspaceweb.com/spektr-rg-launch.html http://www.russianspaceweb.com/spektr-rg-launch.html