You are Lieut. X commanding the advance party. You have arrived near the small orchard southeast of road fork 535. A sharp fire is suddenly opened from the woods to the southeast, apparently from a _squad or small platoon_.

(_a_) Give your orders and dispositions.

After firing about a minute the fire of the enemy stops. You move out into the road and can see no sign of your point or connecting files.

The support is closing up on you.

(_b_) What do you do?

Visibility Problems:

(_a_) Can a man on hill 712 see a man at crossroads 554 in Hunterstown? (Disregard trees.)

(_b_) A man stands at the point where contour 680 crosses the road followed in above problem, just south of hill 707. Where does the roadbed first become invisible?

MAP: GETTYSBURG--- ANTIETAM (HUNTERSTOWN SHEET).

First Problem: A Connecting File--Situation I:

The Harvard Regiment is in camp in hostile country the night May 1-2 in the corn field 1000 yards east of Boyd S.H., just northeast of cross roads 488. The line of outguards extends approximately through Boyd S.H., Hill 527, McElheny.

At 1.00 a.m.; May 1st, the regimental commander receives the following telephone message from brigade headquarters at Gettysburg (just off the map to the south)--An enemy force estimated strength one regiment is in camp 6 miles north of Center Mills. His patrols were seen yesterday by our advance cavalry near Guernsey and Center Mills. It is reliably reported that this force will march by Center Mills and Guernsey on Biglersville to-morrow morning to destroy a large amount of rolling stock at that point. Move at once toward Center Mills to stop and drive back this force.

Officers call is sounded. The situation is explained to the officers and they are told to have their companies ready to move at 2.00 a.m.

The 1st battalion is designated as advance guard.

The advance guard is directed to move across the field to road fork 511 thence north by the main road. The _first platoon_ of "A" company is designated as advance party. "B" company and the remainder of "A"

company form the support. As the advance party moves out Captain Smith commanding the support, says to Private Long, "Long, you and Williams move out as connecting files. This is a dark night so be careful to keep connection both front and rear." Before Long is out of sight; he says, "Scott, you and Hunt move out as connecting files following Long." You are Scott.

Required:

(a) What instructions do you give Hunt?

(b) What do you do up to the time you reach the main road at 511?

Situation II:

After you have pa.s.sed road fork in _Table Rock_ about 100 yards you notice that Hunt who has been watching to the rear does not seem to be alert. You look back and can see no sign of the connecting file in rear of you. It is still dark.

Required:

What do you do?

Second Problem: An Advance Guard Point--General Situation same as in Problem I:

Sergeant Hill and four men const.i.tute the point. The situation has been explained to Sergeant Hill by the advance party commander.

About daylight the point arrives at crossroads 600. A sharp fire evidently from about a squad is received from the house on the rise 500 yards north along the road. You are Sergeant Hill.

Required:

What do you do?

Third Problem: An Advance Guard Flank Patrol--Situation I--General Situation same as Problem I:

Up to daylight no flank patrols have been sent out. When the support reaches Table Rock the support commander calls Corporal Bell and says to him "Corporal take your squad as a flank patrol up this road to the right. Take the left hand road at the first two road forks and follow the road past the church and school-house until you reach this road again about 1-1/2 miles north of here. Report every thing you have seen when you rejoin. Your squad consists of seven men besides yourself."

Required:

(a) The disposition of your squad on the march.

(b) What do you do when you hear the firing near crossroads 600?

Fourth Problem: Platoon as Advance Party--Situation--General Situation same as in the First Problem:

When you arrive at a point about 200 yards south of hill 646 you hear firing 1000 yards north of you. You cannot see who is firing nor can you see the point. You are Lieutenant Clark commanding the advance party.

Required:

What do you do?

Visibility Problems:

(a) When the point arrives at hill 647 can it see the crossroads 610 to the northeast?

(b) When the flank patrol reaches Benders' Church crossroads can it see an enemy patrol at the house midway on the road 534-554 one mile to the northeast?

(c) Looking north along the Center Mills road from hill 647 where does the road first become invisible?

MAP: HUNTERSTOWN SHEET.

General Situation:

The Harvard regiment encamped on the night of July 12-13 at Biglerville (B-8) in hostile territory. The remainder of the brigade of which the regiment is a part is in camp 5 miles west of Biglerville.

Problem I:

At daylight, July 13, the regimental commander receives the following message from brigade headquarters:

"It is reported that the enemy is in force near Heidlersburg. Move on Heidlersburg at once; locate the position of the enemy, and develop his strength. Reinforcements will be sent you, if necessary."

This information is transmitted to all officers of the regiment. The First Battalion is ordered to move out at once as advance guard on Biglerville-610-582 road toward Heidlersburg. Major Dunn, commanding First Battalion, designates the first two platoons of C Company as advance party, and D Company and the remainder of C Company as support.

Lieut. Gibbs, commanding the advance party, explains the situation to his non-commissioned officers, and then orders:

"Sergeant Dow, take four men and move out on that road (indicating road to Heidlersburg) as point. The remainder of these two platoons will be the advance party and will follow you at 200 yards. I shall be with it. Move out."