I-25 (イ-25) was a B1 type (I-15-class) submarine of the Imperial Japanese Navy that served in World War II, took part in the Attack on Pearl Harbor, and was the only Axis submarine to carry out aerial bombing on the continental United States in World War II, during the so-called Lookout Air Raids, and the shelling of Fort Stevens, both attacks occurring in the state of Oregon.

[5] I-25 and three other submarines patrolled a line 222 km (120 nmi; 138 mi) north of Oahu during the Japanese Attack on Pearl Harbor.

Finally on Tuesday, 17 February, Warrant Flying Officer Nobuo Fujita took off in the "Glen" for a reconnaissance flight over Sydney Harbour.

[9] Shortly after midnight on 20 June 1942, I-25 torpedoed the new, coal-burning Canadian freighter SS Fort Camosun off the coast of Washington.

The freighter was bound for England with a cargo of war production materials including zinc, lead, and plywood.

Canadian corvettes Quesnel and Edmundston reached the stricken freighter after dawn and rescued the crew from lifeboats.

Fort Camosun was towed back into Puget Sound for repairs, and later survived a second torpedo attack by I-27 in the Gulf of Aden in the fall of 1943.

I-25 fired seventeen 14-cm (5.5-inch) shells at Battery Russell, a small coastal army installation within Fort Stevens which was later decommissioned.

In part, this was because the submarine's location remained uncertain because of difficulties evaluating reports from different observation points; it was, after all, 10 miles (16 km) from shore.

If the guns opened fire, the sub would be able to report back to Tokyo that a fleet of surface ships could simply heave to, 10 miles (16 km) from shore, and pound Battery Russell with impunity, then sail right on into the Columbia—where, among other valuable targets, upstream at Portland, Oregon Shipbuilding Corporation, one of Henry Kaiser's shipyards, was cranking out Liberty ships at a rate of more than one a week.

[15] Following his successful observation flights on the second and third patrols, Warrant Officer Nubuo Fujita was specifically chosen for a special incendiary bombing mission to create forest fires in North America.

[17] In fact, had the winds been sufficiently brisk to stoke widespread forest fires, the lightweight Glen may have had difficulty navigating through the bad weather.

Shortly after the Glen seaplane had landed and been disassembled for storage, I-25 was bombed at 42°22′N 125°12′W / 42.367°N 125.200°W / 42.367; -125.200 by a United States Army A-29 Hudson piloted by Captain Jean H. Daugherty from McChord Field[18] near Tacoma, Washington.

[21][22] At 0415 4 October 1942 I-25 torpedoed the 6,706 tonnes (6,600 long tons) tanker Camden en route from San Pedro, California, to Puget Sound with a cargo of 76,000 barrels (12,100 m3) of gasoline.

The cargo of 66,000 barrels (10,500 m3) of oil was lost with 2 of the tanker's crew and 4 members of the United States Navy Armed Guard.

United States Navy Chief Photographer's Mate Sergi Andreevich Mihailoff of Arcadia, California, was aboard L-16 as a liaison officer and interpreter, and was killed with the remainder of the submarine crew.

[26][27][28] SS H.M. Storey was bringing fuel oil from Noumea, New Caledonia, in the South Pacific Ocean to Los Angeles.

US destroyer USS Fletcher rescued the crew in the lifeboats and took them to Port Vila Efate, Vanuatu, in the South Pacific.