drumhead service

noun

1. a religious service attended by members of a military unit while in the field

Example Sentences

A drumhead service will be held in Dromore Orange Hall at 11:30 BST, then the parade will move off through the village at 12:00, stopping to lay a wreath at the war memorial, before moving on to Ferris Park.

From BBC

It was also noted that the hymns chosen for the Drumhead service were not "ones that people could sing with gusto".

From BBC

The Queen and other members of the Royal Family will attend a "drumhead" service - a religious service held in the field of battle which uses drums as an improvised altar - with veterans and other guests.

From BBC

A Drumhead Service will also be held in Horse Guard's Parade, attended by the Prince of Wales, and followed by a flypast and march by veterans of the Far East.

From BBC

A parade will march from Llandudno Pier Head at 11:00 BST to the war memorial where a drumhead service will take place.

From BBC