Mine Systems. Modular Pack Mine System (MOPMS) MOPMS is a man-portable antitank/antipersonnel (AT/AP) mine system with command detonation capability. It weighs 165 pounds and contains a mix of 17 magnetically fuzed AT mines and four AP mines. Its 4-hour self-destruct command can be recycled three times or command detonated by remote control.
The 13th Amendment to the Constitution of the United States was ratified on this date in 1865. It reads, Neither slavery nor involuntary servitude shall exist in the United States.
In order for the amendment to be passed by the states, three-quarters of the states, or 38 states, had to ratify it. On January 23, 1964, South Dakota became the 38th state to ratify the 24th Amendment. After ratification, President Lyndon B. Johnson signed the 24th Amendment into existence on February 4, 1964.