THE NEXT GENERATION OF 40 MM
MK19 and I-HEDP will incorporate a fire control and programming unit to allow the gunner to set one of two modes: air- burst for concealed and exposed targets, and point detonation for material targets. Additionally, a self-destruct feature will be incorporated to reduce the chance of UXO on the battlefield. Te I-HEDP will increase the accuracy and lethality of MK19 gunners, allowing them to engage and defeat targets with less ammunition than the existing M430A1 HEDP. Te I-HEDP is expected to be fielded by FY23.
NEW OPTIONS ON THE WAY
A U.S. Soldier assigned to 1st Battalion, 10th Special Forces Group (Airborne) fires an MK19 grenade launcher at Baumholder Military Training Area, Germany, in May. PM MAS worked with the Maneuver Center of Excellence to provide new ammunition options for warfighters, including a round for the MK19 that will increase accuracy and lethality and reduce UXO. (U.S. Army photo by Erich Backes, Training Support Activity Europe)
Today, Soldiers conduct structure breaching with mechanical, explosive and ballistic methodologies. Mechani- cal and explosive methods put Soldiers at an increased risk of injury because of the close proximity to the enemy. Te Grenade Rifle Entry Munition, the cur- rent ballistic method, is heavy, requires a long engagement time, is difficult to accurately place on the target and yields extensive collateral damage. Te 40 mm Door Breach LV XM1167 provides small units with a lightweight round that can conduct a ballistic breach at ranges up to 50 meters without pause between actual breach and entry of the initial force. Tis allows units to quickly gain access to a building at a safe distance, while enabling them to gain and maintain a
42 Army AL&T Magazine
tactical advantage. Te cartridge will be lightweight, reducing the Soldier’s load, and has a low recoil
force when fired
from the M4/M320, minimizing fatigue. Te XM1167 cartridge is expected to be fielded in FY20, and will greatly enhance the warfighter’s effectiveness in military operations in urban terrain while increas- ing safety and survivability.
A 40 mm HV airburst munition CDD is currently going through the Joint Capa- bilities Integration Development System process, with approval expected by Sept. 30. Te I-HEDP is a high-explosive munition that will be able to engage personnel targets in defilade and in the open and defeat unarmored and lightly armored vehicles. Te combination of
For more information, contact the author at
james.c.terhune2.civ@
mail.mil.
MR. JAMES TERHUNE is the lead for 40 mm research, development, testing and engineering within PM MAS. He holds an M.S. in technology management from the Stevens Institute of Technology and a B.S. in industrial engineering from Lehigh University. He is Level III certified in program management,
engineering, and
business – financial management. He is a member of the Army Acquisition Corps.
CONCLUSION For the past eight years, the Army has invested in and developed an executable plan to modernize the 40 mm grenade family. Working together, PD MCA and the Maneuver Center of Excellence have crafted the requirements and culled the best technologies that will enable new advancements in technology to be incorporated into the 40 mm grenade family. Over the next several years, we will deliver new training capabilities to enhance Soldier readiness and develop and deliver new tactical capabilities to increase lethality in combat and win back the advantage.
October-December 2017
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