# Missions

Most objects have measuring points (MPs) that send readings continuously.

Sometimes you only monitor parameters for a limited time. Transport monitoring is a common example.

In Boomerang, this time-limited data is stored as a **mission**.

### Mission components

Missions use BTiny gateways and BTiny mission sensors (Mission Loggers).

To store mission data, create a **mission object** in the system. Assign **mission MPs** to the mission object.

Mission MPs can be:

* **Real mission MPs**: store readings received directly from BTiny mission sensors.
* **Virtual mission MPs**: store imported or moved mission readings.

### How mission measurements are registered

You can register mission measurements using:

1. **BTiny mission sensors.**
2. **Logger cards**.

#### **1. BTiny mission sensors** 

BTiny mission sensors (Mission Loggers) are described in [ICU Scandinavia Transport Solution](https://icuscandinavia.se/transport-solution/).

* Sensors log temperature offline or online.
* The data is uploaded online, if the sensor is within range of a **Cloud Connector**.
* Readings are sent to the Boomerang 3 server and stored in **real mission MPs**.
* If needed, mission data can be moved from **real** to **virtual** mission MPs.

<figure><img src="https://3588014471-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEANwXRnuP0ug8971viyg%2Fuploads%2Fe3YP73cQdacGmtsd3XPd%2Fimage.png?alt=media&#x26;token=5bd8ca0d-8d77-4701-a90e-aaed048bd572" alt=""><figcaption></figcaption></figure>

The BTiny temperature loggers are battery-operated.

They have an internal memory buffer for continuous logging during transport.

The logger communicates with the Boomerang cloud when it is within wireless range of a Cloud Connector.

BTiny temperature loggers can log temperatures from -196°C up to +120°C.

#### **2. Logger cards**.&#x20;

Logger cards are described in [Logger cards documentation](https://app.gitbook.com/o/vTf4HrtXl9bgDwvJVSxV/s/gejpyNLdjbUCpCURIFfT/).

* Logger cards register temperature offline.
* Readings are sent to the Boomerang 3 server using the Logger Card client application.
* Readings are stored in **virtual mission MPs**.

<figure><img src="https://3588014471-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEANwXRnuP0ug8971viyg%2Fuploads%2FlFnEVUKbnDcAXZD41UEI%2Fimage.png?alt=media&#x26;token=79950804-2bd4-49a8-bb43-08304720a2df" alt=""><figcaption></figcaption></figure>

### Next steps

* Follow [BTiny Mission sensor usage](https://help.boomerang3.com/boomerang-3-user-manual/dashboard/missions/btiny-mission-sensor-usage) to start and stop a transport mission.
* See [Mission handling](https://help.boomerang3.com/boomerang-3-user-manual/dashboard/missions/mission-handling) for how mission objects and MPs are structured.