I keep getting the following error when I add the map service to my application:
apServer layer failed to load: Fault code: Channel.Security.Error
Fault info: Security error accessing url
Fault details: Destination: DefaultHTTP
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Try connecting to their http (instead of https).
Their crossdomain.xml file doesn't allow connections from a http server to their https server. You can either connect https-to-https, or http-to-http, but not http-to-https (based on https://hazards.fema.gov/crossdomain.xml).