Whatever my mission was if it was just patrol & report I'd do exactly that.

Honestly if I was ordered to assist first thing is "draft" the able bodied into a partial work force: under the don't work don't eat principle.

Get them to help set up a triage (first) & savage teams second. Savage teams would help slap togather makeshift water stills (sea water can be distilled) & temperary shelters. Not allot you can do but slow down the dehydration effects & sun stroke. Injured would be treated critical first, serious second & those beyond help or with minor injuries would have to tough it out.

Otherwise set up a staging area for a supply drop & radio in the situation.

There really isn't much you can except help them help themselves & maybe pull security against the local gangs.

Unless my mission was to