Ahead Flank means go as far as possible beyond full speed as possible.

Where did the term flank speed come from?

The term “flank speed” comes from the battleship period, before and during WW1. The fleet consisted of batttleships which steamed in a straight line ahead, flanked on either side by a screen of “torpedo boat destroyers”, or just destroyers.

What direction is flank?

Tactical flanking

Flanking an enemy means attacking from one or more sides, at an angle to the enemy’s direction of engagement.

What does all ahead 1/3 mean?

Their is a range of speeds on the engine room telegraph within a certain range. For example, a destroyer capable of 30 knots might have ahead 1/3 choices from 8 to 12 knots.

How Fast Is flank speed on a submarine?

In US nuclear submarine propulsion, full speed is 50% reactor power. Flank speed is 100% power, although depending upon the specifics of the individual propulsion plant, limits for the propulsion turbine first stage pressure, or limits for reactor thermal power may be reached before 100% reactor power is reached.

Where is the USS San Francisco?

San Francisco completed repairs and sea trials in April 2009, then shifted homeport to Naval Base Point Loma, San Diego, California.

What is Navy flank speed?

Flank Speed is a permanent, single Navy enterprise solution for daily work, offering a secure environment for collaboration, cloud storage for files and documents, and Microsoft Office 365 (M365) productivity tools.

What does full astern?

2 : in a reverse direction : backward The ship went full speed astern.

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