Return to Naval Historical Center home page. Return to Frequently Asked Questions page.


DEPARTMENT OF THE NAVY -- NAVAL HISTORICAL CENTER
805 KIDDER BREESE SE -- WASHINGTON NAVY YARD
WASHINGTON DC 20374-5060

Glossary of U.S. Naval Code Words

NAVEXOS P-474

--I--

ICARUS -- Honduras

ICEBERG -- Occupation of positions in the Ryukyus [Okinawa] (March-April 1945)

ICEBERG VII -- Attacks on Sakishima Gunto Island, Japan, by Naval Air Squadron (4-5 May 1945)

ICEBLINK -- Secretary of State James F. Byrnes

ICHOR -- Talifai, New Guinea

ICONIC -- Tetere, Solomon Islands

IDENTICAL -- Asor, Ulithi Atoll, Yap Islands

IDIOT -- Surigao Strait, P.I.

IDLEAGE -- Wab Bay, New Guinea

ILLEGITIMATE -- Gagil-Tomil Area, Yap Islands

ILLOGICAL -- Hiroshima, Japan

IMAGINATIVE -- Frederick Hendrik Island, New Guinea

IMPERSONAL -- Allied occupation of Batavia, Java, N.E.I. (28-30 September 1945)

IMPROMPTU -- Chusan Archipelago, China

IMPROVER -- Amami O Shima Island, Japan

INCANTATION -- Labi, Goodenough Island

INCENTIVE -- Tansui (Tainsui), Formosa

INCESSANT -- Kaven Island, Maloelap Atoll, Marshall Islands

INCISOR -- Reggio di Calabria, Italy

INCOME -- Koryu, Formosa

INCREDIBLE -- Tarawa Atoll, Gilbert Islands

INCUBUS -- Dutch Harbor, Alaska

INDEPENDENCE -- Blockade of Bay Biscay ports occupied by Germans (28 March 1945)

INDICTMENT -- Pakin Island, Caroline Islands

INDIGENCE -- San Fernando, Luzon, P.I.

INDISPENSABLE -- Ie (Iye) Shima, Nansei Shoto Islands, Japan

INDUCTION -- Pacific Ocean Area operations to support occupation of Luzon, P.I.

INEBRIATE -- Kagi, New Guinea

INFANTRY -- Ihiya Jima, Nansei Shoto Islands, Japan

INFATUATE I and II -- Capture of Walcheren Island, Scheldt River (1 Novcember 1944)

INFERNO -- United States

INGRAIN -- Buin, Bougainville, Solomon Islands

INHERITANCE -- Dadjangas, Mindanao, P.I.

INKLING -- Vancouver, British Columbia

INKSPOT -- Lafuai River, Woodlark Island [Solomon Sea]

INKSTAND -- Cherchel, Algeria

INMATE -- Neutralization of air installations in Truk Atoll, Caroline Islands (12-16 June 1945)

INNER -- Sharyo (Sharyo-To) (Sia-Liau-To), Formosa

INSECT -- H.M.S. Eagle flying off Spitfires to Malta (21 July 1942)

INSECT -- Tanimaiki Village, Gilbert Islands

INSERTION -- Surigao, Mindanao, P.I.

INSOLENCE -- Frederikshaab, Greenland

INSPIRATION -- Round-up of French Tunny vessels and their being brought into Penzance, Cornwall (22 September 1942)

INSTITUTION -- Aroe Island, New Guinea

INSURGENT -- Pacific Ocean Area operations to support occupation of Mindanao, P.I.

INTEGER -- Visayan Group, P.I.

INTERCEPTION -- Iriomote Jima, Japan

INTERLOCK -- New Hanover Island, New Ireland, Bismarck Archipelago

INTERLUDE -- Morotai Island, N.E.I.

INTERRUPTION -- Lagonoy Gulf, Luzon, P.I.

INTRACTABLE -- Elato Island, Caroline Islands

INVENTION -- Salebaboe Island, Talaud Islands, N.E.I.

INWALL -- General Joseph W. Stilwell, USA

IODINE -- Losey Field, Ponce, Puerto Rico

IRENE -- Douglas Harbor, New Guinea

IRET -- New Caledonia

IRIDIUM -- Sagan, New Guinea

IRONCLAD -- Occupation of Diego Suarez, Madagascar (8 May 1942) (G.B.)

IRONGREY -- South Pacific Forces in Southwest Pacific Area

IRONHORSE -- Artificial harbor in connection with CORONET

IRONMONGER -- Wotje Islands, Marshall Islands

IRONSTONE -- Sakhalin, Japan

IRRITANT -- Paramushiru, Kurile Islands

ISADORE -- U.S. Seventh Military District

ISOLATOR -- Operations against the southeast coast of China

ISOSCELES -- Amboina, Ceram, N.E.I.


Select the first letter of the code word from the listing below:

A B C D E F
G H I J K L
M N O P Q R
S T U V W X  Y  Z

Return to Naval Historical Center home page. Return to Frequently Asked Questions page.

9 February 1999