VETERANS STAND-DOWN—Homeless veterans will be offered a variety of services, from haircuts to medical and legal assistance, at a three day "Stand Down" on the ball field of San Diego High School, 1405 Park Blvd, Friday, July 14 through Sunday, July 16. The project was begun here  in 1988 by Dr. Jon Natchison and Robert Van Keuren and has spread across the nation. (800) 729-0941.

ALZHEIMER'S DISEASE—Roulla Dreago and Karen Wetzel of UCSD's Shiley Marcos Alzheimer's Disease Research Center discuss "The Benefits of Participating in Research Studies" at theJCC seniors meeting at 10:15 a.m. at  Lawrence Family JCC, 4126 Executive Drive, La Jolla. (858) 362-1141.

FILM—JCC Seniors screens Good Night and Good Luck at 12:30 p.m. at the Lawrence Family JCC, 4126 Executive Drive, La Jolla. (858) 362-1141.  Melanie Rubin

BEACH SERVICE—Congregation Beth El sponsors a Shabbat service on the beach at Mission Bay Park at 6:15 p.m.  (858) 452-1734.

PRAYER AT PARK—Tifereth Israel Synagogue members picnic at 6:15 p.m. at Lake Murray Park at Elmcrest Drive and Murray Park Drive in the San Carlos section of San Diego, followed by a Shabbat service by the light of sunset.  (619) 697-6001.  Regina Wurst

ZAMRU SHABBAT—Cara Freedman provides the songs, you provide the dairy or pareve dinner, blankets, chairs and flashlight at Congregation Ohr Shalom's  Zamru Shabbat at Playa Pacifica at Mission Bay Park.  Dinner at 6 p.m., service at 7 p.m. (619) 231-1456.

COMEDY—Neil Simon's comedy, Come Blow Your Horn, about a youngster moving in with his wild bachelor brother, opens tonight at the OnStage Playhouse, 291 Third Ave., Chula Vista and continues through Aug. 12. (619) 422-7787.