Mosquito - the alternative strategic bomber

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Timppa

Senior Airman
543
241
Apr 3, 2007
Finland
Bomber command used the De Havilland Mosquito to improve the very poor accuracy of the heavy bombers and to reduce their losses, but it refused to consider the alternative, which was finally adopted only after World War 2 and dominates modern air power since. The alternative was to replace the big and slow and expensive heavy bombers with the Mosquito as Bomber command's main bomber. The points in favor of this alternative were also clearly presented by group commander Bennett, as a comparison between the Mosquito and the Lancaster, which was the best British heavy bomber:
  • Mosquito carries to Berlin half the bomb load carried by a Lancaster, but...
  • Mosquito loss rate is just 1/10 of Lancasters' loss rate
  • Mosquito costs a third of the cost of a Lancaster
  • Mosquito has a crew of two, compared to a Lancaster's crew of seven
  • Mosquito was a proven precision day bomber and the Lancaster was not.

Bennett added that any way you do the math with those data, "It's quite clear that the value of the Mosquito to the war effort is significantly greater than that of any other aircraft in the history of aviation". In the German side, Erhard Milch, the deputy head of the Luftwaffe, said about the Mosquito "I fear that one day the British will start attacking with masses of this aircraft". But in one of the greatest allied mistakes in World War 2, bomber command persisted with its heavy bombers, and less than 1/4 of the Mosquitoes produced were of bomber types.

Bomber command dropped a total of 1.2 million tons of bombs in World War 2. Given the above 1% hit precision statistic, it actually means dropping just 12,000 tons of bombs on real strategic targets. Since accuracy was later improved thanks to Mosquito Pathfinders, let's assume for a moment that the amount of bombs which hit strategic targets was 50% higher. A quick calculation shows that a force of only 1000 Mosquito bombers of the 7781 Mosquitoes produced, could drop this amount on the same targets with high precision in just ten bombing missions each, at a fraction of the cost in blood, material resources, and time. This demonstrates the tremendous potential lost by using most of the Mosquitoes for every possible mission other than as a main strategic day and night precision bomber. The entire course of World War 2 could be drastically different.

The Mosquito bomber enabled the British bomber command to do exactly what it wanted to do, and destroy the entire German military industry in a precision bombing campaign even before American B-17s and B-24s began their costly day bombing campaign over Germany.
...
Modern bombers no longer rely on gun turrets to engage an enemy fighter which intercepted them. Instead, all modern bombers, like the De Havilland Mosquito, rely on their speed and agility, and also on electronic warfare and stealth, to avoid being intercepted in the first place.

De Havilland Mosquito

Any objections ?
 
My only objection is historical, it requires a complete change in the mind set of bomber command AND the Mosquito to come into service before the start of the war. The concept of a fast bomber was not new the Blenheim and Hampden were fast when introduced and quickly became obsolete. Getting any ministry to accept the idea of a bomber with no defence apart from speed in the 1930s would be like getting the Pope to become a Buddhist. Even though the Mosquito was designed as an unarmed light bomber/recon there was a mock up of one with a turret, slapping turrets on everything was in vogue at the time.

I disagree that the Lancaster was not a precision bomber, it could do the jobs when asked to and it hit the Tirpitz, submarine pens, viaducts and V3 gun sites when asked to.
 
IMO if you used the Mosquito as a precision bomber (and say it carried a Mark XIV, Norton or Sperry type bomb sight), you've just placed yourself at speeds where you still could be easily intercepted or blasted out of the sky by flack until you delivered your bombs, and even then the chances of interception are great. I could agree with a pathfinder role (like was done with the P-38) but I think to use the Mosquito in a strategic role would have been disastrous and it would have squandered some of the best attributes of this aircraft.
 

Apart from the article being based on the false premise that the Mosquito was a more precise bomber than a Lancaster or anything else?

Bomber Command did a lot of work to discover which bombers and what bomb loads would do the most damage to Germany's infra structure, and a large force of Mosquitoes was not the answer it came up with.

A Lancaster could bomb just as accurately using Oboe, H2S, Gee or any other system as a Mosquito could. At the end of the war many PFF squadrons operated Lancasters. 8 Group flew 19,601 Lancaster and 28,215 Mosquito sorties. 5 Group's more or less independent pathfinder force flew just 1,133 Mosquito sorties during the war. There is a common assumption that the Mosquito dominated the PFF which it did not.

The Mosquito was well used in numerous other roles by all of the RAF's Commands (including Bomber Command) and excelled in most if not all.

Cheers

Steve
 
Also dont be led too much by the weight of a cookie which is a can full of explosive. To cause serious damage to refineries water mains etc you need heavy bombs, of which the mosquito could carry a couple if any at all.

mosquito with cookie - Google Search

The bomb loads were developed to suit the mission. A successful area raid used incendiary munitions to best effect. This in turn was discovered to be dependent on three conditions. The target had to be relatively intact (possessing considerable combustible material); the bombing had to be concentrated in time and space; the overall bomb load had to contain sufficient high explosive to be a threat to fire services and anti aircraft gunners.

The Mosquito was not capable of carrying the requisite loads. If we accept the argument that it was no more capable of precision night bombing then The Command's heavy bombers (and it wasn't) then it would be tasked with a mission it could not carry out.
You can be sure that Bomber Command closely examined what the Mosquito could and could not do, before using it with considerable success, in a bombing role, in the Light Night Striking Force. In this role the aircraft caused much confusion to the Germans, taxing air defence systems and shutting down entire cities, driving the population into shelters, simply by dropping a few Target Indicators and some 'Cookies'. The Force could do this over several cities on any given night, even when the Main Force was not operating.

It is difficult to extract the bombing operations of the LNSF and 8 Group aircraft from other vital work, but Bowyer estimates that the LNSF flew 26,255 sorties for the loss of 108 Mosquitoes. About 10,000 'Cookies' were dropped, 26,000 tons of bombs. 68% of LNSF operations were flown, to keep the pressure on Germany's defences and cities, when the heavy bombers were not operating.

This aircraft does not represent a missed opportunity for a strategic bomber, in fact I would argue that the RAF exploited it to the maximum in other roles to which its unique abilities were far better suited.

Cheers

Steve
 
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I agree Stona, I was just saying that with a completely different attitude and the Mosquito being available before the war started a different use could be made, it wouldnt take much effort to equal the early night bombing raids with Mosquito raids in daylight because most missed the target. As I said if everyone had a different attitude to bombing, if the mosquito was available 5 years before it was and if it was produced in huge numbers a different strategy could have been used .....but that is a lot of "ifs".

Another point is that the Mosquito only had a crew of two but they were the two who had the most training of any air crew pilot and navigator, bomb aimer flight engineer, it isnt just a question of counting the number of people.
 
I think it is important to emphasise the link between the need for heavy bombers to deliver sufficient bombs on a target given the likely accuracy of the attack.
I gave some figures a while ago on the density of bombs required to destroy a marshaling yard. Essentially three 500lb bombs per acre were required. Using the most accurate navigational aid (Oboe), to ensure a 50% and 75% chance of success, required 114 and 168 Lancaster sorties respectively. Just how many Mosquitoes is the writer of the article proposing be used by Bomber Command? Are bombers to be manufactured to the detriment of all other versions of the aircraft? Which aircraft would replace them as Intruders, Rangers, Fighter Bombers, Airliners, in Coastal Command's Strike Wings etc., etc.
Cheers
Steve
 
I think it is important to emphasise the link between the need for heavy bombers to deliver sufficient bombs on a target given the likely accuracy of the attack.
I gave some figures a while ago on the density of bombs required to destroy a marshaling yard. Essentially three 500lb bombs per acre were required. Using the most accurate navigational aid (Oboe), to ensure a 50% and 75% chance of success, required 114 and 168 Lancaster sorties respectively. Just how many Mosquitoes is the writer of the article proposing be used by Bomber Command? Are bombers to be manufactured to the detriment of all other versions of the aircraft? Which aircraft would replace them as Intruders, Rangers, Fighter Bombers, Airliners, in Coastal Command's Strike Wings etc., etc.
Cheers
Steve
This is a fantasy scenario, more mosquitos instead of battles and wellingtons and halifaxes used to keep damaged targets damaged with a lot more smaller raids on refineries etc.

I think there was a place for many more mosquitos but it is a fantasy scenario, I think I read somewhere long ago that production of the mosquito was stretching the supply of the woods used. If we head into a war in Europe again and jet engines are no longer possible maybe we should consider it.
 
This is a fantasy scenario, .

Well, yes. The basic premise is that the Mosquito could replace the 'heavies' as a strategic bomber because, being so much more accurate, a lesser weight of bombs would need to be delivered. This, unfortunately, is nonsense.

Incidentally, Bennett, quoted in the article slightly without context, was keen on the Mosquito. He was equally keen on the Lancaster and never to my knowledge proposed the replacement of it by the Mosquito. Bennett was just about senior enough (even in 1942 as a Wing Commander) and certainly well connected enough in 8 Group to have been privy to most of Bomber Command's ORS reports. I won't bore us all with the circulation and categorisation of said reports here, but some, particularly relating to losses and survival rates, were severely restricted, technical ones generally not. Bennett was certainly smart enough to have understood the ones he saw.

Cheers

Steve
 
Stona, I wouldnt propose replacing all the heavies just have many more mosquitos continually attacking refineries marshalling yards and airfields that had been previously attacked by heavies. Raids were done here is a brief account of one

German Jet Encounters
 
We see the Mosquito-only option every few years and the same old arguments come up. Perhaps we should have a dedicated "what-if" subforum so the frequent what-ifs could be made sticky posts. Then only the people interested in what-ifs would ever go there.

Just a thought, but we've dealt with this particular one at least three of four times previously, unless I recall incorrectly. Stranger things have happened.
 
We see the Mosquito-only option every few years and the same old arguments come up. Perhaps we should have a dedicated "what-if" subforum so the frequent what-ifs could be made sticky posts. Then only the people interested in what-ifs would ever go there.

Just a thought, but we've dealt with this particular one at least three of four times previously, unless I recall incorrectly. Stranger things have happened.
The idea of using the Mosquito to replace heavy bombers is to my mind ridiculous it would mean massed formations over targets heavily defended by flack. My proposal would be to use its strengths, for one example not making a massed raid on a marshalling yard but many raids like the transport plan hitting trains and rail lines all over Germany.
 
Also dont be led too much by the weight of a cookie which is a can full of explosive. To cause serious damage to refineries water mains etc you need heavy bombs, of which the mosquito could carry a couple if any at all.

Like the 100lb - 250lb bombs the USAAF regularly used against refineries and synthetic oil plants?
 
I gave some figures a while ago on the density of bombs required to destroy a marshaling yard. Essentially three 500lb bombs per acre were required. Using the most accurate navigational aid (Oboe), to ensure a 50% and 75% chance of success, required 114 and 168 Lancaster sorties respectively. Just how many Mosquitoes is the writer of the article proposing be used by Bomber Command?

I'd suggest one Mosquito could do that 93 500lbs on an acre of ground) at low level in the daylight....
 
Like the 100lb - 250lb bombs the USAAF regularly used against refineries and synthetic oil plants?
Yes, a cookie was a bomb to blow off roof tiles it had most effect when it exploded above ground, such a bomb would have almost no effect on the important parts of a refinery, if you see the remains of German cities they were burned to the ground but the brick structure ws standing, a steel structure would be unaffected.

To wreck a refinery you need a huge blast to destroy or undermine the pressure vessels which take months to construct or repair, damaging pipework and instruments can be rectified in days.
 
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