firstSuccessfulLaunchDate

7 triples
GPTKB property

Random triples
Subject Object
gptkb:Project_Corona August 18, 1960
gptkb:Naro-1 2013-01-30
gptkb:Falcon_1_launch_vehicle 2008-09-28
gptkb:Vanguard_rocket_program March 17, 1958
gptkb:CORONA_program August 18, 1960
gptkb:Rocket_Lab_Electron 2018-01-21
gptkb:Vanguard_program 1958-03-17