Boris Johnson speech thanking those involved in Operation Pitting

The transcript discusses a parade at Westminster, highlighting the historical context of military parades in the area. It acknowledges the efforts of those involved in Operation Pitting, including military and civilian participants. The speaker shares experiences from a visit to Colchester, praising the professionalism and diplomacy of the 16 Air Assault Brigade during the Kabul operation. The safe passage of 15,000 people and the assistance to 36 countries are noted as significant achievements of Operation Pitting.

In what ways did the speaker highlight the professionalism of the military personnel?

What was the outcome of the operation mentioned in the speech?