Uploaded May 2020 | Updated September 2026, 1 week ago
The Mark 45 (Mk 45) is a U.S. Navy's lightweight naval gun mount, employed against surface and land targets. The gun mount includes a 20 round automatic loader drum (16-20 rounds per minute).
The Mk 45 Mod 4 gun mount upgrade includes a longer barrel (62 caliber versus 54 caliber of the older versions) that improves the gun's effectiveness. The Mk 45 mod 4 uses a modified flat-panel gun turret, designed to reduce its radar signature.
Credits: U.S. Navy videos by Mass Communication Specialist 3rd Class Taylor N. Stinson, Deanna C. Gonzales, Seaman Apprentice Drace Wilson, Austin Rooney
Thumbnail Credit: U.S. Navy photo by Mass Communication Specialist 3rd Class Deanna C. Gonzales
Derivative works: Military Archive
►Subscribe Now -- youtube.com/channel/UCT4layPPCzgR_99g5VYYvmQ?sub_confirmation=1
The Mark 45 (Mk 45) is a U.S. Navy's lightweight naval gun mount, employed against surface and land targets. The gun mount includes a 20 round automatic loader drum (16-20 rounds per minute).
The Mk 45 Mod 4 gun mount upgrade includes a longer barrel (62 caliber versus 54 caliber of the older versions) that improves the gun's effectiveness. The Mk 45 mod 4 uses a modified flat-panel gun turret, designed to reduce its radar signature.
Credits: U.S. Navy videos by Mass Communication Specialist 3rd Class Taylor N. Stinson, Deanna C. Gonzales, Seaman Apprentice Drace Wilson, Austin Rooney
Thumbnail Credit: U.S. Navy photo by Mass Communication Specialist 3rd Class Deanna C. Gonzales
Derivative works: Military Archive
►Subscribe Now -- youtube.com/channel/UCT4layPPCzgR_99g5VYYvmQ?sub_confirmation=1
![IRON RAIN! US Helicopters Urban Close Air Support [Training Exercises]](https://i.ytimg.com/vi/ufs-US95Bp0/mqdefault.jpg "IRON RAIN! US Helicopters Urban Close Air Support [Training Exercises]
U.S. Marine Corps AH-1W Super Cobras and UH-1Y Venoms conduct an Offensive Air Support exercise during an urban close air support (UCAS) exercise as part of Weapons and Tactics Instructor Course (WTI) at Yodaville, near Yuma, Ariz.. The UCAS exercise was designed to focus on specific employment of tactical air and rotary wing offensive air support aviation assets in order to support the ground combat element scheme of maneuver. WTI is a seven week event hosted by MAWTS-1 cadre. MAWTS-1 provides standardized tactical training and certification of unit instructor qualifications to support Marine aviation training and readiness and assists in developing and employing aviation weapons and tactics.
Video Credits: U.S. Marine Corps
Thumbnail Credit: U.S. Marine Corps photo by Lance Cpl. Danny Gonzalez
►Subscribe Now https://www.youtube.com/channel/UCT4layPPCzgR_99g5VYYvmQ?sub_confirmation=1")
![Stunning Video of B-1 Lancer in Action • Takeoff & Landing [Training Footage]](https://i.ytimg.com/vi/vc9plIAPNjA/mqdefault.jpg "Stunning Video of B-1 Lancer in Action • Takeoff & Landing [Training Footage]
The Rockwell B-1 Lancer is a supersonic variable-sweep wing, heavy aircraft used by the United States Air Force (USAF). It is commonly called the Bone (from B-One). The USAF had 66 B-1Bs in service as of September 2012. The B-1B is expected to continue to serve into the 2030s, with the Northrop Grumman B-21 Raider to begin replacing the B-1B after 2025. The B-1s currently in inventory will reach the end of their service lives by 2045.
Video Credits: U.S. Air Force | United States Department of Defense
►Subscribe Now https://www.youtube.com/channel/UCT4layPPCzgR_99g5VYYvmQ?sub_confirmation=1")
![M142 HIMARS - Overview & Launching Rockets Down Range [Training]](https://i.ytimg.com/vi/visRE15UaAw/mqdefault.jpg "M142 HIMARS - Overview & Launching Rockets Down Range [Training]
The M142 High Mobility Artillery Rocket System (HIMARS) is a light multiple rocket launcher developed in the late 1990s for the United States Army, mounted on a standard Army M1140 truck frame. The M142 HIMARS is the light, wheeled version of the M270 Multiple Launch Rocket System (MLRS), the system utilizes the same pod as the M270 MLRS uses. The launcher is easily transportable by the C-130 Hercules.
00:00 - Overview
01:22 - Live Fire Training Missions
Credits: U.S. Army videos by Spc. Christian Cote, Sgt. 1st Class Jeff VanWey;
U.S. Marine Corps videos by Cpl. Frank Webb, Lance Cpl. Kelly Snyder, Cpl. Levi J. Guerra, Staff Sgt. Laiqa Hitt;
Wisconsin Army National Guard video by Sgt. Alex Baum
Thumbnail Credit: U.S. Marine Corps photo by Cpl. Donovan Massieperez
The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.
Derivative works: Military Archive
►Subscribe Now https://www.youtube.com/channel/UCT4layPPCzgR_99g5VYYvmQ?sub_confirmation=1")
![US Sailors Training on Mk 38 25mm Chain Gun [M242 Bushmaster] - A Live Fire Exercise](https://i.ytimg.com/vi/wy3C1EeaNEU/mqdefault.jpg "US Sailors Training on Mk 38 25mm Chain Gun [M242 Bushmaster] - A Live Fire Exercise
U.S. Sailors fire 25mm rounds from the Mk 38 Mod 1 Automatic Machine Gun System during a live fire gunnery exercise.
The Mk 38 is the naval version of the M242 system. The Mk 38 consists of the M242 chain gun and the Mk 88 Mod 0 machine gun mount. It provides ships with defensive and offensive gunfire capability for the engagement of a variety of surface targets such as patrol boats, floating mines, and various shore-based targets. The standard rate of fire is up to 200 rounds per minute. The weapon has an effective range of 3,000 metres (9,800 ft), depending on the type of ammunition used.
Video Credits: U.S. Navy | United States Department of Defense
Thumbnail Credit: U.S. Navy photo by Jeremie Kerns
►Subscribe Now https://www.youtube.com/channel/UCT4layPPCzgR_99g5VYYvmQ?sub_confirmation=1")
