On 17 March 2005, the Hawaii Undersea Research Laboratory's (HURL) deep-diving submersibles Pisces IV & Pisces V located I-401 off the coast of Kalaeloa.
Tanggal 17 Maret 2005, Hawaii Undersea Research Laboratory (HURL) mengirim Pisces IV & Pisces V ke bawah laut dan menemukan I-401 berada di lepas pantai Kalaeloa.