unit

Conditions apply: These buildings have to be on the small side — each floor maxes out at 4,000 square feet with no more than four units.

A single unit of the 5th brigade can carry out several logistical missions with UGVs in one day.

While unit costs are far more expensive, satellites offer much cheaper coverage for larger areas.

Iraq's government criticised last month the sanctions which also targeted the Al-Muhandis company, a firm with links to the Hashed al-Shaabi -- former paramilitary units that have been integrated into the regular security forces.

Niger state police said its tactical units and the military were searching for the pupils.