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Rainbow Herbicides. The Rainbow Herbicides are a group of chemicals used by the United States military in Southeast Asia during the Vietnam War. Success with Project AGILE field tests with herbicides in South Vietnam in 1961 and inspiration by the British use of herbicides and defoliants during the Malayan Emergency in the 1950s led to the formal herbicidal program Trail Dust (1961–71). Herbicidal warfare is the use of substances primarily designed to destroy the plant-based ecosystem of an agricultural food production and/or destroying foliage which provides the enemy cover.

The Agents used in southeast Asia, their active ingredients and years used were as follow:[1] In Vietnam, the early large-scale defoliation missions (1962-1964) used 8,208 gallons of Agent Green, 122,792 gallons of Pink, and 145,000 of Purple. These were dwarfed by the 11,712,860 gallons of Orange (both versions) used from 1965 to 1970. Agent White started to replace Orange in 1966; 5,239,853 gallons of White were used.

See also[edit] Colt revolving rifle. The Colt revolving rifles were early repeating rifles produced by the Colt's Manufacturing Company. They were mainly based upon the patent and mechanism of already existing Colt revolvers like the Colt Sidehammer or the Colt Dragoon. History[edit] Revolving rifles were an attempt to increase the rate of fire of rifles by combining them with the revolving firing mechanism that had been developed earlier for revolving pistols. Colt began experimenting with revolving rifles in the early 19th century, making them in a variety of calibers and barrel lengths. Colt revolving rifles were the first repeating rifles adopted by the U.S.

Various models were made: the Colt Paterson in the 1830s. In March, 1836, Colt formed the Patent Arms Company and began operation in an unused silk mill along the banks of the Passaic River in Paterson, New Jersey. In 1855, with his Model 1855 patent, Colt introduced a spur-trigger revolver that featured a fully enclosed cylinder. Design and Features[edit] Use[edit] Useful_knots. While attending US Army Ranger School back in 1972 and again in 1979. (Yep that's right, I didn't make it through the first time.)

We had to learn how to make and use over a dozen different types of knots during the "mountain phase" of Ranger School, which was up at Camp Merril located in Dahlonega, Georgia. We not only had to master all these different types of knots but how to repel, belay, put in anchor points, rope management and learn the fundamentals of climbing and rappelling up & down mountains and cliffs. And believe me it wasn't easy, the mountain phase kicked my ass. And for those of you who want to advance your knot tying skills a lot further, here are some more knots, so feel free to print off this page below. I don’t know how many times I have read some stories of hunters getting lost or stranded in the woods and they either barely survived their ordeal or they died of exposure.

Is this unique or what? ATTENTION EBAY SHOPPERS! What a bunch of BS! How to Tie Knots Like a Navy SEAL. For the next few weeks, we’ll depart from our usual “Knot of the Week” to bring you a series on the knots taught to Navy SEAL candidates at BUD/s (Basic Underwater Demolition/SEAL Training). During the first phase of BUD/s, students are taught five knots which they’re required to tie one at a time underwater, each on a single breath hold. Each knot is tied on a trunk line, or stationary rope, secured to the bottom of a 15 foot pool. We’ll have a special video presentation during the last week of the series, combining all the knots and showing them tied underwater. The first of these knots, which we’ll teach today, is the Bowline. (Strength: 2/Secure: 2/Stability: 4/Difficulty: 3) Please refer to our Knot of the Week introduction post for a description of what these ratings mean.

Before we continue any further we’d like to clear the air on how to properly pronounce the Bowline. Uses: Tying Instructions: View the gallery or YouTube video below and follow along with the steps above! Video. Navy Sets World Record With Incredible, Sci-Fi Weapon. U.S. Navy engineers at the Office of Naval Research prepared and test-fired a slug from their rail gun in a 2008 test firing. On Friday, December 9, the ONR will attempt to break its own record.U.S. Navy video by John Williams A theoretical dream for decades, the railgun is unlike any other weapon used in warfare. And it's quite real too, as the U.S. Navy has proven in a record-setting test today in Dahlgren, VA. Rather than relying on a explosion to fire a projectile, the technology uses an electomagnetic current to accelerate a non-explosive bullet at several times the speed of sound.

The result: a weapon that can hit a target 100 miles or more away within minutes. "It's an over-used term, but it really changes several games," Rear Admiral Nevin P. For a generation raised on shoot-'em-up video games, the word "railgun" invokes sci-fi images of an impossibly destructive weapon annihilating monsters and aliens. Furthermore, current U.S. The projectile is no cannon ball, either. Enfilade and defilade. Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is "in enfilade" if weapons fire can be directed along its longest axis.

A unit or position is "in defilade" if it uses natural or artificial obstacles to shield or conceal itself from enfilade.[1] The strategies invented by the English use the French enfiler ("to put on a string or sling") and défiler ("to slip away or off") which the English nobility used at that time.[2] Enfilade fire, a gunfire directed against an enfiladed formation or position, is also commonly known as "flanking fire".[1] Raking fire is the equivalent term in naval warfare. Strafing, firing on targets from a flying platform, is often done with enfilade fire.

Enfilade[edit] Top to bottom: a German bunker on Juno Beach with wounded Canadian soldiers, 6 June 1944. Defilade[edit] A unit or position is "in defilade" if it uses natural or artificial obstacles to shield or conceal. Father of All Bombs. Aviation Thermobaric Bomb of Increased Power (ATBIP) (Russian: Авиационная вакуумная бомба повышенной мощности (АВБПМ)), nicknamed "Father of All Bombs" (FOAB) (Отец всех бомб), is a Russian-made air-delivered/land-activated thermobaric weapon. In describing the bomb's destructive power, Russian deputy chief of the general staff Alexander Rukshin was quoted as saying, "all that is alive merely evaporates.

"[1] The bomb is reportedly four times more powerful than the US military's GBU-43/B Massive Ordnance Air Blast bomb (whose official military acronym "MOAB" is often colloquially said as the "Mother of All Bombs"). This makes it the most powerful conventional (non-nuclear) weapon in the world.[2] The veracity of Russia's claims concerning the weapon's size and power have been questioned by US defense analysts.[3] Description[edit] The thermobaric device yields the equivalent of 44 tons of TNT using about 7 tons of a new type of high explosive.

Compared with MOAB[edit] See also[edit] 9mm vs .45ACP: Really? Again? Yes, again. Amongst avid handgun fans the debate between big and slow versus small and fast stretches back over a hundred years now I'd guess. Next year marks the 100 year anniversary of the Government Model 1911 .45ACP having been adopted by the U.S. Military (even though it existed in 1904) and the 9mm is even older than that. What makes the debate relatively new (and hopefully interesting) is the addition of what I call "compromise calibers". There are a couple in between the maximum ends of the debate and recently that has been thrust into my consideration almost against my will.

What I refer to as Compromise Calibers includes anything that is between the 9mm and the .45ACP is size (10mm, .40S&W, etc) or a production caliber (as compared to a custom-only wildcat cartridge) that changes the basics of either such as the .357Sig or the .45GAP. Way back when the U.S. Keep all of that in mind as we discuss a few compromise calibers, focusing down on one, and the pros / cons to be had. Police car. Police BMW X5, with active visual warnings showing, escorts riders on the Tour of Britain The first police car was a wagon run by electricity fielded on the streets of Akron, Ohio, in 1899.

The first operator of the police patrol wagon was Akron Police officer Louis Mueller, Sr. It could reach 16 mph (26 km/h) and travel 30 mi (48 km) before its battery needed to be recharged.[1] The car was built by city mechanical engineer Frank Loomis. The US$2,400 vehicle was equipped with electric lights, gongs and a stretcher. The car's first assignment was to pick up a drunken man at the junction of Main and Exchange streets.[2] Usage[edit] In some areas of the world, the police car has become more widely used than police officers "walking the beat". Advocates[attribution needed] of community policing often cite this shift into vehicles, and away from face to face contact, as a reason for breakdowns in relations with the community.

Functional types[edit] There are several types of police car. Dogs in warfare. Dogs in warfare have a long history starting in ancient times. From 'war dogs' trained in combat to their use as scouts, sentries and trackers, their uses have been varied and some continue to exist in modern military usage. History[edit] During the Late Antiquity, Attila the Hun used giant Molosser dogs in his campaigns.[1] Gifts of war dog breeding stock between European royalty were seen as suitable tokens for exchange throughout the Middle Ages.

Other civilizations used armored dogs to defend caravans or attack enemies. The Spanish conquistadors used armored dogs that had been trained to kill natives.[6] The British used dogs when they attacked the Irish and the Irish in turn used Irish Wolfhounds to attack invading Norman knights on horseback. In the Far East, Emperor Lê Lợi raised a pack of 100 hounds, this pack was tended and trained by Nguyễn Xí whose skills was impressive enough to promote him to the Commander of a shock troop regiment. Timeline[edit] Roles[edit] U.S. Fighting[edit]