Transparency requirements: the US and Russia share detailed information with one another on
their strategic nuclear forces, including:
• twice-yearly declarations on numbers of deployed warheads, and numbers and
locations of delivery vehicles and launchers;
• rolling notifications of the locations and status (deployed/non-deployed) of delivery
vehicles and launchers; advance notifications of treaty-accountable ballistic missile
launches. Since 2011, over 20 000 such notifications have been exchanged;
• for each side, sharing of data for up to five submarine-launched ballistic missile and
intercontinental ballistic missile test flights per year;
• declarations of new types of treaty-accountable weapons entering into service;
exhibition of such weapons for examination by the other party;
In addition, the US and Russia commit to not interfering with efforts to gather data (for example,
from satellites) on each other's nuclear forces.
Each party has the right to 18 inspections a year (currently suspended due to the coronavirus
pandemic). Among other things, inspections verify the number of warheads on randomly selected