What explosive is contained in the MK 3A2?

The MK 3A2 is a type of explosive device used primarily in military applications. The correct answer, which identifies the MK 3A2 as containing 8 ounces of TNT, is supported by the fact that TNT (trinitrotoluene) has historically been one of the main explosive agents utilized in military ordnance due to its stability, effectiveness, and ease of handling. TNT serves as a reliable energetic material, making it suitable for a variety of explosive devices, including the MK 3A2.

In understanding the context of the other explosive options, while RDX, Semtex, and ANFO are also notable explosives in military and civilian applications, they are not the correct compositions for the MK 3A2, which specifically incorporates TNT. RDX is often used in more advanced military applications requiring higher detonation velocities, and Semtex is known for its plasticity and use by specialized forces, while ANFO, a mixture of ammonium nitrate and fuel oil, is widely used in mining and construction but does not align with the standard composition of the MK 3A2. Each of these alternatives has its unique properties and uses, but TNT is specifically designated within the MK 3A2's design.