There was some discussion regarding this issue on another forum so I thought I would post this document here as a reference. Attached below is General Orders #10 as released by Headquarters Department of the Army, 25 September 2006 titled Units Credited with Assault Landings.
First is the orignal document in .pdf format that can be printed or saved to your hard drive:
http://web.mail.comcast.net/service/home/~/Air%20Assualt%20landings%202.pdf?auth=co&loc=en_US&id=325401&part=2
And here is the primary content of the document:
General Orders No. 10
Headquarters, Department of the Army
Washington, DC, 25 September 2006
UNITS CREDITED WITH ASSAULT LANDINGS
I—GENERAL.
1. In accordance with the provisions of AR 600-8-22, paragraph 7-25, the units listed in section II below were designated by the Senior Army Commander in the theater operations as having participated in a parachute (to include free fall), amphibious, or helicopter assault landing.
2. When entering individual credit on the Enlisted Record Brief or Officer Record Brief, this general orders may be cited as authority for such entries for Soldiers who were present for duty as a member of or attached to a unit listed herein and actually participated in a combat parachute jump, free fall combat jump, helicopter assault landing, combat glider landing, or amphibious assault landing at the place and time during the period indicated. A Soldier must actually exit the aircraft or landing craft to receive assault landing credit.
3. Under the provisions of AR 600-8-22, paragraph 7-25, the designation of a combat assault landing is determined and approved by the Senior Army Commander in the theater of operations. Eligibility of individuals to wear the bronze arrowhead on the designated campaign medal (Global War On Terrorism Expeditionary Medal, Iraqi Campaign Medal, or Afghanistan Campaign Medal) is established by this approval. This approval also authorizes eligible Soldiers to affix a bronze service star to their Parachute Badge or the Military Free Fall Parachute Badge, denoting completion of a combat parachute jump or combat free fall jump.
II—LIST. The following units were designated by the Senior Army Commander in the theater of operations as having participated in a parachute (to include freefall), amphibious, or helicopter assault landing.
a. Shahi Khowt Valley, Afghanistan (Helicopter), 0211Z-1045Z hours, 2 March 2002 to 3 March 2002.
31st Infantry, 4th Battalion, Company C
87th Infantry, 1st Battalion
101st Airborne Division, 3d Brigade, Headquarters and Headquarters, Detachment
187th Infantry, 1st Battalion, Detachment
187th Infantry, 2d Battalion, Detachment
320th Field Artillery, 3d Battalion, Headquarters and Headquarters Service Battery, Detachment
326th Engineer Battalion, Company C, Detachment
b. Helmand Desert, Afghanistan (Parachute), 1845Z-0014Z hours, 19 October 2001 to 20 October 2001.
75th Ranger Regiment, Headquarters and Headquarters Company, Detachment
75th Ranger Regiment, 3d Battalion, Headquarters and Headquarters Company, Detachment
75th Ranger Regiment, 3d Battalion, Company A, Detachment
75th Ranger Regiment, 3d Battalion, Company C, Detachment
c. In the vicinity of Alimarden Kan-E-Bagat, Afghanistan (Parachute), 1800Z-2334Z hours, inclusive, 13 November 2001.
75th Ranger Regiment, 3d Battalion, Company B, Detachment
d. Near Chahar Borjak, Nimruz Province, Afghanistan (Parachute), 1345Z-1445Z hours, inclusive, 25 February 2003.
75th Ranger Regiment, 2d Battalion, Headquarters and Headquarters Company, Detachment
75th Ranger Regiment, 2d Battalion, Company A, Detachment
75th Ranger Regiment, 2d Battalion, Company C, Detachment
504th Infantry, 3d Battalion, Company B, Detachment
e. Bazaraka Molakhel, Afghanistan (Helicopter), 2100Z to 2130Z hours, inclusive,19 October 2001.
Operational Detachment A 555, 5th Special Forces Group (Airborne), 1st Special Forces
f. Dehi, Afghanistan (Helicopter), 1955Z to 2025Z, inclusive, 19 October 2001.
Operational Detachment A 595, 5th Special Forces Group (Airborne), 1st Special Forces
g. Dasht-e-Qal’eh, Afghanistan (Helicopter), 2000Z to 2030Z, inclusive, 26 October 2001.
Operational Detachment A 585, 5th Special Forces Group (Airborne), 1st Special Forces
h. Yakawolong (~ 50 kms south of M-e-S), Afghanistan (Helicopter), 1930Z to 2000Z, inclusive, 26 October 2001.
Operational Detachment C 51, 5th Special Forces Group (Airborne), 1st Special Forces
i. Yakawolong, Afghanistan (Helicopter), 2100Z to 2130Z, inclusive, 2 November 2001.
Operational Detachment A 534, 5th Special Forces Group (Airborne), 1st Special Forces
j. Dehi, Afghanistan (Helicopter), 2130Z to 2200Z, inclusive, 2 November 2001.
Operational Detachment C 53, 5th Special Forces Group (Airborne), 1st Special Forces
k. Naylowr, Afghanistan (Helicopter), 2030Z to 2100Z, inclusive, 3 November 2001.
Operational Detachment A 553, 5th Special Forces Group (Airborne), 1st Special Forces
l. Dasht-e-Qal’eh, Afghanistan (Helicopter), 2210Z to 2240Z, inclusive, 8 November 2001.
Operational Detachment A 586, 5th Special Forces Group (Airborne), 1st Special Forces
m. Bagram, Afghanistan (Helicopter), 2350Z to 0020Z, inclusive, 8 November 2001.
Operational Detachment A 594, 5th Special Forces Group (Airborne), 1st Special Forces
n. Deh Berenj Qal-eh, Afghanistan (Helicopter), 2015Z to 2045Z, inclusive, 11 November 2001.
Operational Detachment A 554, 5th Special Forces Group (Airborne), 1st Special Forces
o. Tarin Kowt, Afghanistan (Helicopter), 2120Z to 2150Z, inclusive, 14 November 2001.
Operational Detachment A 574, 5th Special Forces Group (Airborne), 1st Special Forces
p. Bagram, Afghanistan (Helicopter), 2015Z to 2045Z, inclusive, 15 November 2001.
Operational Detachment A 575, 5th Special Forces Group (Airborne), 1st Special Forces
q. Bagram, Afghanistan (Helicopter), 1900Z to 1930Z, inclusive, 15 November 2001.
Operational Detachment B 550, 5th Special Forces Group (Airborne), 1st Special Forces
r. Shin Narai Valley, Afghanistan (Helicopter), 2140Z to 2210Z, inclusive, 19 November 2001.
Operational Detachment A 583, 5th Special Forces Group (Airborne), 1st Special Forces
s. Dowshi, Afghanistan (Helicopter), 2015Z to 2045Z, inclusive, 26 November 2001.
Operational Detachment A 532, 5th Special Forces Group (Airborne), 1st Special Forces
t. Tarin Kowt, Afghanistan (Helicopter), 2130Z to 2200Z, inclusive, 28 November 2001.
Operational Detachment C 52, 5th Special Forces Group (Airborne), 1st Special Forces
u. Jalalabad, Afghanistan (Helicopter), 2200Z to 2230Z, inclusive, 30 October 2001.
Operational Detachment A 572, 5th Special Forces Group (Airborne), 1st Special Forces
v. Bashur and Sulaymaniyah airfields in Northern Iraq (MC-130), 1200Z hours, 21 March 2003 to 1200Z hours, 23 March 2003.
1st Special Forces, 10th Special Forces Group (Airborne), Headquarters and Headquarters Company
1st Special Forces, 10th Special Forces Group (Airborne), 2d Special Forces Battalion
1st Special Forces, 10th Special Forces Group (Airborne), 3d Special Forces Battalion
352nd Special Operations Squadron (United States Air Force)
1st Air Support Operations Squadron (United States Air Force)
13th Air Support Operations Squadron (United States Air Force)
22nd Special Tactics Squadron (United States Air Force)
w. Bashur Drop Zone in Northern Iraq (Parachute), 1700Z to 1737Z hours, inclusive, 26 March 2003.
1st Special Forces, 10th Special Forces Group, 2d Special Forces Battalion, Detachment
74th Infantry, Detachment
173d Airborne Brigade, Headquarters and Headquarters Company
173d Support Company
250th Medical Detachment
319th Field Artillery, Battery D
501st Support Company
503d Infantry, 2d Battalion
508th Infantry, 1st Battalion
4th Air Support Operations Squadron (United States Air Force)
86th Contingency Response Group (United States Air Force)
x. Northwestern Desert region of Iraq, in the vicinity of the town of Al Qaim, near the Syrian boarder (Parachute), 1830Z to 2230Z hours, inclusive, 24 March 2003.
75th Ranger Regiment, 3d Battalion, Company C
75th Ranger Regiment, 3d Battalion, Headquarters and Headquarters Company, Detachment
24th Special Tactics Squadron, Detachment (United States Air Force)
y. At H1 airfield in western Iraq, west of the Haditha Dam and the town of Haditha (Parachute), 1835Z to 1200Z hours, 28 and 29 March 2003.
27th Engineer Battalion, Detachment
75th Ranger Regiment, 3d Battalion, Headquarters and Headquarters Company, Detachment
75th Ranger Regiment, 3d Battalion, Company A
24th Special Tactics Squadron, Detachment (United States Air Force)
z. Southeastern region of Afghanistan (Free Fall), 1735Z to 1800Z hours, inclusive, 3 July 2004.
75th Ranger Regiment, Headquarters and Headquarters Company, Regimental Reconnaissance Detachment, Team 3