Preface; 1. The transatlantic defence market in the context of defence trade cooperation; 2. Sources of EU defence procurement law; 3. Excluded contracts under the defence directive and cooperative procurement; 4. Third country modes of participation in the EU market for defence procurement; 5. The defence directive as a potential barrier to trade with the United States; 6. Sources of US federal defence procurement law; 7. Foreign participation in open competition under US law; 8. Non-competitive procurement under US law; 9. US law on foreign acquisition; 10. Government-to-government contracts and offsets; 11. Regulating defence procurement in a transatlantic defence market and beyond: plotting a legal discourse.