
1) Att 2) Atty 3) Ducktail
Found on
https://www.crosswordclues.com/clue/da

Defence Attach
Found on
http://en.wikipedia.org/wiki/List_of_U.S._government_and_military_acronyms

abbreviation: Decision Altitude
Found on
http://www.encyclo.co.uk/local/20021

abbreviation: Denmark (peninsula & islands nation between N Sea and Baltic Sea)
Found on
http://www.encyclo.co.uk/local/20021

discretionary account
Found on
http://www.encyclo.co.uk/local/20100

Abbreviation for district attorney. ...
Found on
http://www.encyclo.co.uk/local/20688

Dental Abstracts [periodical, périodique]
Found on
http://www.encyclo.co.uk/local/20895

Destination address, field in frame header, 802.
Found on
http://www.encyclo.co.uk/local/20957

dietetic assistant.
Found on
http://www.encyclo.co.uk/local/21001

symbol for dalton.
Found on
http://www.encyclo.co.uk/local/21001

Defence Attaché
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Department of the Army
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Display Assignment
Found on
http://www.encyclo.co.uk/visitor-contributions.php

DA is an abbreviation for Di-phenyl-chlor-arsine, a nose irritant gas used during the Second World War. It has no smell and a delayed action, but causes sneezing, a burning pain in the chest, nose, throat and mouth after a few minutes.
Found on
http://www.probertencyclopaedia.com/browse/FD.HTM

Da is Dorset slang for to.
Found on
http://www.probertencyclopaedia.com/browse/ZD.HTM

day
Found on
http://www.spanishpronto.com/spanishpronto/spanishglossary.html

Dopamine
Found on
http://www.translationdirectory.com/glossaries/glossary124.htm

Denmark
Found on
http://www.translationdirectory.com/glossaries/glossary133.htm

Decision Altitude/Decision Height
Found on
http://www.translationdirectory.com/glossaries/glossary287.php

Descent Advisor
Found on
http://www.translationdirectory.com/glossaries/glossary287.php

Direct Access
Found on
http://www.translationdirectory.com/glossaries/glossary287.php

Diploma in Anaesthetics
Found on
https://www.encyclo.co.uk/local/21557

Strike
Found on
https://www.encyclo.co.uk/local/21623

by, from, for, etc.
Found on
https://www.encyclo.co.uk/local/22288

Department of the Army.
Found on
https://www.selfdefenseguides.info/krav-maga/glossary.html
No exact match found.