Various reports suggest that China is selectively enhancing its strategic and tactical missile capabilities by developing solid fuel motors diversifying its range of warheads and increasing their accuracy deploying missiles with multiple warheads and upgrading its ballistic missile defense countermeasures, such as decoys, chaff, jamming, and thermal shielding, and possibly maneuverable reentry vehicles (MaRVs) and multiple independently targetable reentry vehicles (MIRVs).