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NOTES TO TABLE 40

This table is the monthly summary of all Naval air attack on enemy shipping. Comparison is invited between the attack effort expended, as shown above, and the monthly results accomplished, as shown in the Appendix.

It may be noted that merchant shipping received its first heavy weight of attack in February-March 1944, and was next attacked in the greatest force in the Philippines-China Sea campaigns of September 1944 - January 1945. Thereafter, only in July 1945 was enough shipping found to permit repetition of this scale of attack. It is also interesting to note that about half of the total Naval air offensive against armored warships was expended in three brief campaigns: the Leyte Gulf Battle of 24-26 October 1944, the Yamato attack on 7 April 1945, and the Inland Sea strikes of 18 July and 24-28 July 1945.

TABLE 40. ATTACKS ON SHIPPING, BY ALL NAVAL AND MARINE CARRIER-BASED AND LAND-BASED AIRCRAFT By Type of Ship Attacked, Monthly
MONTH	ARMORED WARSHIPS		UNARMORED WARSHIPS		MERCHANT SHIPS OVER 500 TONS		MERCHANT SHIPS UNDER 500 TONS		*TOTAL, ALL TYPES ()**
MONTH	Sorties Attacking	Tons of Bombs	Sorties Attacking	Tons of Bombs	Sorties Attacking	Tons of Bombs	Sorties Attacking	Tons of Bombs	Sorties Attacking	Tons of Bombs
Dec 1941	4	–	23	–	5	5	2	–	34	5
Jan 1942	–	–	–	–	3	–	–	–	3	–
Feb 1942	35	18	1	–	37	11	–	–	73	29
Mar 1942	29	11	–	–	56	29	–	–	85	40
Apr 1942	–	–	4	1		–	2	–	6	1
May 1942	166	114	18	7	36	18	–	–	220	139
Jun 1942	289	109	26	6	3	3	1	–	319	118
Jul 1942	–	–	1	–	–	–	–	–	1	–
Aug 1942	50	28	13	4	22	12	11	5	99	52
Sep 1942	46	23	23	8	4	9	101	17	174	57
Oct 1942	150	76	146	50	43	16	21	2	360	144
Nov 1942	123	77	51	7	164	70	2	1	373	163
Dec 1942	13	10	35	12	16	6	27	7	93	35
Jan 1943	–	–	54	20	48	26	24	5	127	51
Feb 1943	–	–	72	40	33	69	1	1	106	110
Mar 1943	–	–	–	–	–	–	–	–	95	95
Apr 1943	1	1	–	–	14	12	17	1	32	14
May 1943	–	–	22	10	8	6	–	–	127	97
Jun 1943	–	–	15	4	–	–	3	3	18	7
Jul 1943	18	18	222	134	40	23	30	3	310	178
Aug 1943	–	–	19	26	42	30	35	3	96	59
Sep 1943	–	–	2	1	4	3	87	1	93	5
Oct 1943	–	–	8	1	47	18	110	8	166	27
Nov 1943	179	105	45	28	64	39	123	7	455	207
Dec 1943	86	63	42	26	150	110	63	13	345	217
Jan 1944	36	27	123	67	670	141	167	19	1128	352
Feb 1944	176	86	350	86	805	368	241	47	1631	607
Mar 1944	64	24	146	41	918	313	547	80	1810	612
Apr 1944	2	3	56	6	436	42	409	48	979	125
May 1944	–	–	7	4	89	28	177	12	316	93
Jun 1944	152	99	63	5	500	132	611	33	1326	269
Jul 1944	–	–	76	25	402	146	471	82	952	255
Aug 1944	68	21	230	96	276	95	272	55	867	270
Sep 1944	34	6	419	78	1756	654	1035	102	3268	842
Oct 1944	1405	653	404	111	1895	709	1215	136	4931	1609
Nov 1944	90	65	341	127	1391	761	751	147	2651	1103
Dec 1944	10	3	120	20	402	85	593	61	1127	169
Jan 1945	29	15	530	201	1524	677	617	74	2700	967
Feb 1945	11	3	97	3	264	59	441	17	813	82
Mar 1945	159	93	375	114	570	176	631	107	1735	490
Apr 1945	253	189	118	58	202	66	580	99	1153	412
May 1945	2	4	20	15	155	76	470	84	661	181
Jun 1945	2	–	14	9	116	35	302	55	487	186
Jul 1945	1275	773	125	52	891	406	608	189	3040	1495
Aug 1945	28	14	125	59	293	126	196	65	648	264
1941-42 Total	905	466	341	95	389	179	167	32	1,840	783
1943 Total	284	187	501	290	450	336	493	45	1,970	1,067
1944 Total	2,037	987	2,335	666	9,540	3,474	6,489	822	20,986	6,306
1945 Total	1,759	1,091	1,404	511	4,015	1,621	3,845	690	11,237	4,077
GRAND TOTAL	4,985	2,731	4,581	1,562	14,394	5,610	10,994	1,589	36,033	12,233
* – Including ships of unknown types, and minelaying, not shown separately (total 1,079 sorties, 741 tons).

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TABLE 40. ATTACKS ON SHIPPING, BY ALL NAVAL AND MARINE CARRIER-BASED AND LAND-BASED AIRCRAFTBy Type of Ship Attacked, Monthly

TABLE 40. ATTACKS ON SHIPPING, BY ALL NAVAL AND MARINE CARRIER-BASED AND LAND-BASED AIRCRAFT
By Type of Ship Attacked, Monthly