I-351-class submarine
... that the Japanese I-351-class submarine was designed to support up to three flying boats with fuel, ammunition, water, and even replacement aircrew?
... that the Japanese <b id="mwAr8"><a href="./I-351-class_submarine" id="mwAsA" rel="mw:WikiLink" title="I-351-class submarine"><i id="mwAsE">I-351</i>-class submarine</a></b> was designed to support up to three <a href="./Flying_boat" id="mwAsI" rel="mw:WikiLink" title="Flying boat">flying boats</a> with fuel, ammunition, water, and even replacement aircrew?