Elon Musk @elonmusk
@Erdayastronaut @13ericralph31 @HarryStoltz1 @flcnhvy Merlin could probably do 1000 flights too. Turbine blade fatigue cracking would require periodic weld repair or replacement. Probably some seals & bearings as well. Coking not really an issue. — PolitiTweet.org