Nothing nonchalant about it. There was a stringent qualification process.
The time between boosters first being reused in Falcons and this mission is the same as the time between JFK's 'we choose to go to the moon' speech and the actual moon landings.
The time between boosters first being reused in Falcons and this mission is the same as the time between JFK's 'we choose to go to the moon' speech and the actual moon landings.