Martian time periods are based on geologic mapping of surface units from spacecraft images.

Passive detection is almost impossible and surface units are forced to use active sonar to search.

From 13-22 November, she provided air cover for transports and surface units engaged in the campaign.

Missile attack against surface units up to a range of 80&nyui bsp;km.

With very few surface units, gas lift is the optimal choice for offshore applications.

At the same time, the Korean Communist surface units closed in.

Radar intercepts suggest that both air and surface units were involved.

Upkeep, exercises, and services as a target for surface units took her through March 1940.

No merchant ships were sunk or even sighted by the German heavy surface units during the 2-week raid.

The power density per surface unit is proportional to the product of the electric and magnetic field strengths.