IS1 explained

IS1, IS-1, or variation, may refer to:

IS1

IS1 may refer to:

• HMG Infosec Standard No.1, a computer security standard used in the UK
• The IBM IS1, an early relational database system

IS-1

IS-1 may stand for:

• The Soviet tank IS-1 the first model of the Soviet Iosif Stalin tank series
• The first model of the Soviet Istrebitel Sputnikov missile; see anti-satellite weapon
• Nikitin IS-1, a retractable wing fighter aircraft

See also

• ISI (disambiguation)
• IS (disambiguation)