Well, first, you could start by searching in digital library databases. Some libraries offer access to scanned copies of old magazines like Life Magazine. Another option is to look for collectors of old magazines. There are often groups or individuals who specialize in collecting Life Magazine issues. They might be able to help you either by providing a copy or telling you where to find it. You could also try contacting Life Magazine directly if they still exist or have an archive department to see if they can assist you in finding that specific story.
There are several places to look for the 'Life Magazine New York Air Raid Story'. One is to visit second - hand bookstores that deal with old magazines. They sometimes have rare and old issues of Life Magazine. Additionally, online auction sites might have someone selling an issue that contains the story. However, be careful with the authenticity of the item on these sites. You can also check with historical societies in New York. They may have resources or knowledge about where to find this particular story in Life Magazine.
You could try looking in old archives of Life Magazine. Maybe check with local libraries that have a good collection of old magazines. They might have it stored in their special collections.