9/9 Home/Kahoʻolawe/Luku: Target Island / Kahoʻolawe, 2017 ‹ Several 500-ton blasts of TNT made this crater in 1965. It was an attempt by the US Navy to mimic the effects of a nuclear blast and to study its efffects on ships moored nearby. Water in the crater used to be brackish but is now entirely saline Informations Albums Kīpuka , Kahoʻolawe/Luku: Target Island Visits 1576