Final answer:
The RR-170 chaff cartridge uses the MK 1 MOD 0 impulse cartridge for deploying radar countermeasures.
Step-by-step explanation:
The RR-170 chaff cartridge utilizes the MK 1 MOD 0 impulse cartridge. This impulse cartridge is specifically engineered to deploy chaff, which is a type of radar countermeasure used by military aircraft to evade radar detection and tracking by creating a cloud of small, thin pieces of aluminum, plastic, or metallized glass fiber. The RR-170, along with its impulse cartridge, is a crucial part of modern military aircraft defensive systems.