Required: 

Your instructions and dispositions.

Third Problem:  An Advance Guard Flank Patrol—­

Situation: 

The situation is the same as in the First Problem, and follows Situation III, Second Problem.

When the advance party is two hundred yards from the roadfork where unimproved road leads northeast, about 600 yards southeast of Bridge S.H., Lieutenant Allen gives the following instructions to Corporal Adams, 3d Squad: 

Corporal, about fifteen Blue cavalry have been driven back through those woods (pointing out woods to east).  When we reach the roadfork in front of us take your squad and comb the woods until you reach southern edge.  From there go east until you observe the crossroads (616) which are about 1200 yards beyond.  Return over first improved road running southwest to the crossroads (666) about 1-1/2 miles south of here and just under the hilltop, where you will rejoin advance party.

You are Corporal Adams.

Required: 

Your instructions, dispositions, and route of the patrol.

MAP READING.  VISIBILITY PROBLEMS.

MAP:  GETTYSBURG—­ANTIETAM (HUNTERSTOWN SHEET).

NOTE.—­Observation points 707 and 712 are the hills referred to in the First Problem under Minor Tactics.

Where one point is invisible from another, state points of interference.

Problem 1.  Can a sentinel standing at 707 see the roadfork 535 (about 1500 yards south)?

Problem 2.  An enemy patrol is marching north on the 544-616 road, and has crossed the stream (750 yards north of 544).  Can this patrol see the Red outguard at 707 from any point between stream and crossroads 616?

Problem 3.  Can the sentinel at 712 see the roadfork 581 (1850 yards southwest from 712)?

Problem 4.  Can the sentinel at 712 see the crossroads 561 (about 1200 yards southeast)?

* * * * *

General Situation—­Hunterstown Sheet.

The Harvard Regiment camps the night of May 31-June 1 on Opossum Creek just west of Friends Grove S.H. (A-7) in hostile territory.  The regiment is part of a brigade, the remainder of the brigade being in camp one day’s march north of Center Mills.

Problem I:  An Advance Guard Point: 

At daylight of June 1st the regimental commander receives the following message from brigade headquarters:  “Our aeroplanes report a large force of the enemy near Hunterstown.  Move at once on Hunterstown.  Develop the strength of this enemy and locate his exact position.  I will send reinforcements to you by motor-train if necessary.”

Officers call is sounded, and this information transmitted to all the officers of the regiment.  The First Battalion is designated as advance guard and ordered to move out at once by crossroads 554 and 561, and road forks 535 and 552 towards Hunterstown.  Major A, commanding the First Battalion, designates the first two platoons of “D” company as advance party and C company and the remainder of D company as support.