NRL's Offboard Countermeasures Branch conducts applied research, exploratory development, and advanced technology demonstrations of electronic warfare techniques, technologies, and tactics for deployment from ships and aircraft with the goal of denying, degrading, and deceiving an adversary's use of the electromagnetic spectrum.
- Code 5710 - Offboard Countermeasure Branch
- Code 5711 - Concepts Research Section
- Code 5712 - Vehicle Research Section
- Code 5713 - Advanced Payload Research Section
- Code 5714 - Hybrid Decoy Research Section
- Code 5715 - Operational Analysis Research Section