How has communication between agencies changed after the
9/11 attacks?

Communication between agencies has changed because of 9/11 because now everyone is tense and on their toes of what had happened on that day because no one was expecting it and it was really, a big shock. Things between long distances people and especially more into protocols and rules, and now everyone is providing more secure and more high enlightened rules for people to go by so 9/11 doesn't happen again.  

Explanation:

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]