Anyone recall this incident?

From the 13 March '69 1/35 Daily Journals:

1030 hours (C) Lift birds were diverted due to the 3/12 receiving incoming rounds.

1140 hours (C) First PZ for A Co 1/35 from LZ Mary

1150 hours (C) First PZ for A Co 3/12 at LZ Swinger

1200 hours (C) Second LZ at LZ Swinger was a hot LZ.

1240 hours (C) Swinger is still receiving incoming rounds and small arms fire at this time.

1355 hours (C) Alligator 498 lift birds are on station.

1410 hours (C) First LZ for 3/12 A Co to LZ Mary.

1420 hours (C) PZ for 1/35 A Co LZ Mary complete.

1425 hours (C) LZ for 1/35 A Co on LZ Swinger complete