In Genoa and Venice he was impressed by the local shipyards, and in Pisa he witnessed a specially organized mock naval battle, experiences that resulted in his later attempt to create the Polish–Lithuanian Commonwealth Navy.
在热那亚和威尼斯，他对当地造船厂印象深刻，在比萨他观看了一场特别组织的模拟海战，这些经历让他随后试图建立波兰立陶宛联邦海军。