How to fix a howitzer: US offers help line to Ukraine troops | AP Newshttps://apnews.com/article/russia-ukraine-politics-united-states-government-poland-ad79017414930b328094ee124dcea5c8
M777 howitzer - Wikipediahttps://en.wikipedia.org/wiki/M777_howitzer
New footage of the work of the American howitzer M777 in Ukraine (May 21, 2022) : warinukrainehttps://www.reddit.com/r/warinukraine/comments/uukz55/new_footage_of_the_work_of_the_american_howitzer/
USA plans to resume production of M777 howitzers after success in Ukraine - WSJ : UkrainianConflicthttps://www.reddit.com/r/UkrainianConflict/comments/xzlwtm/usa_plans_to_resume_production_of_m777_howitzers/