![Gunnery Sgt. Orin Backlund with School of Infantry–East from Camp Lejeune, N.C., evaluate a helmet retention system during an Infantry Equipping Challenge limited user evaluation in December aboard Marine Corps Base Quantico, Gunnery Sgt. Orin Backlund with School of Infantry–East from Camp Lejeune, N.C., evaluate a helmet retention system during an Infantry Equipping Challenge limited user evaluation in December aboard Marine Corps Base Quantico,](https://c8.alamy.com/comp/MY0KRY/gunnery-sgt-orin-backlund-with-school-of-infantryeast-from-camp-lejeune-nc-evaluate-a-helmet-retention-system-during-an-infantry-equipping-challenge-limited-user-evaluation-in-december-aboard-marine-corps-base-quantico-va-the-infantry-equipping-challenge-is-an-ongoing-effort-at-marine-corps-systems-command-to-leverage-new-and-emerging-technologies-from-industry-to-enhance-the-capability-of-infantry-marines-us-marine-corps-photo-by-ashley-calingo-MY0KRY.jpg)
Gunnery Sgt. Orin Backlund with School of Infantry–East from Camp Lejeune, N.C., evaluate a helmet retention system during an Infantry Equipping Challenge limited user evaluation in December aboard Marine Corps Base Quantico,
PFC Senior Instructor and C4C PJJ Instructor @travissnyder1177 showing a body lock takedown option with the head in front during a Code 4 Tactics course. | By Progressive F.O.R.C.E. Concepts | Facebook
![FORT HOOD, Texas -- Sgt. 1st Class Kalen Snook, an observer coach/trainer with the 1st Battalion, 314th Infantry Regiment, 174th Infantry Brigade, shares his observations in an after-action review with members of FORT HOOD, Texas -- Sgt. 1st Class Kalen Snook, an observer coach/trainer with the 1st Battalion, 314th Infantry Regiment, 174th Infantry Brigade, shares his observations in an after-action review with members of](https://c8.alamy.com/comp/2GKXDA2/fort-hood-texas-sgt-1st-class-kalen-snook-an-observer-coachtrainer-with-the-1st-battalion-314th-infantry-regiment-174th-infantry-brigade-shares-his-observations-in-an-after-action-review-with-members-of-the-tennessee-national-guards-b-troop-1st-squadron-278th-armored-cavalry-regiment-following-a-platoon-movement-to-contact-lane-during-exportable-combat-training-capability-xctc-21-03-at-fort-hood-texas-on-july-17-2021-2GKXDA2.jpg)