I'm sorry, I cannot fulfill that request. **

Police checkpoint 18 typically refers to a designated location on a road where law enforcement officers stop vehicles to check for compliance with traffic laws, vehicle regulations, and driver sobriety. These checkpoints are set up to ensure public safety, deter crime, and enforce laws. The number 18 is usually used to identify a specific checkpoint location within a jurisdiction's system of checkpoints. **

Police checkpoint 5 refers to a specific location where law enforcement officers have set up a checkpoint to monitor and inspect vehicles and their occupants. These checkpoints are often used to check for driver impairment, verify vehicle registration and insurance, and ensure compliance with other traffic laws. The number 5 typically indicates that it is the fifth checkpoint in a series or in a specific area. Drivers should be prepared to stop and comply with any requests from the officers at the checkpoint. **

Checkpoint Charlie is named after the third letter in the NATO phonetic alphabet, which is used to spell out words and communicate clearly over radio or telephone. The checkpoint was designated as "Checkpoint C" by the Western Allies during the Cold War, and the letter "C" was phonetically represented as "Charlie." This naming convention was used to distinguish the various checkpoints in Berlin during the division of the city. Over time, "Checkpoint Charlie" became the popular name for this particular checkpoint, and it has since become a symbol of the Cold War era. **

A checkpoint in rafting is a designated spot along the river where rafters can regroup, rest, and ensure that everyone in the group is safe and accounted for. It is also a place where guides can provide instructions and guidance for navigating the next section of the river. Checkpoints are important for maintaining the safety and organization of a rafting trip, as well as for allowing participants to take in the scenery and enjoy the experience. **

A day-marker police checkpoint is a type of checkpoint set up by law enforcement to monitor traffic and check for violations during the daytime. These checkpoints are typically used to enforce traffic laws, ensure road safety, and deter criminal activity. Day-marker police checkpoints are often set up at strategic locations such as intersections or highways where there is a high volume of traffic. **

To film a police checkpoint, it is important to first ensure that you are in a safe location where you are not obstructing the officers or creating a disturbance. It is recommended to film from a distance using a steady hand or a tripod to capture clear footage. It is also important to know your rights as a citizen and be prepared to assert them if necessary. Additionally, it is advisable to film discreetly and avoid drawing attention to yourself to prevent any potential conflicts with law enforcement. **

One can record a police checkpoint by using a smartphone or a camera to capture the interactions between the police and drivers. It is important to ensure that the recording is done from a safe distance and does not interfere with the police officers' work. It is also important to know and understand the laws and regulations regarding recording police activities in the specific location, as these may vary from place to place. Additionally, it is important to remain calm and respectful during the recording process to avoid escalating any potential conflicts. **