Type Spec 149: alternatives to the Grumman A-6

Here are general arrangement drawings for the Martin 345 and 346. Distinctly different and not the most beautiful! :D
 

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top-mounted inlet like the F-107, interesting...

Name doesn't make sense, though. The A3J/A-5 was already under development in 1957.

Needs to be contemporary candidate for a new USN competition "carrier based A-XX ".
The name comes from a two part weapons system concept the A3J being "Air Weapon #1" the TS-149 submission being "Air Weapon #2"
 

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The name comes from a two part weapons system concept the A3J being "Air Weapon #1" the TS-149 submission being "Air Weapon #2"
Now that is an interesting document. It looks like the idea is AW2 is the workhorse, and AW1 is the racehorse when you need maximum performance. The USAF F-111/A-7 combo might be a good comparison.

TS-149 looks like it's A-7 sized; I wonder what they had in mind for night and adverse weather sensors, because that nose doesn't look like it has room for something like the A-6's sensor suites.
 
My dear Paul,


in Air Pictorial 10/1957,there was thirteen companies and not eight,so maybe those
companies were involved;


Convair,Fairchild,McDonnell,Northrop & Republic ?,for McDonnell,it was M-121.

Is there any confirm about Republic ?.
 

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