Marines and sailors with 1st Tank Battalion supported the Reach Out Morongo Basin community service program by performing community service throughout the Morongo Basin Oct. 4, 2013. The Marines and sailors performed tasks such as yard work and construction for elderly and disabled locals. - Marines and sailors with 1st Tank Battalion supported the Reach Out Morongo Basin community service program by performing community service throughout the Morongo Basin Oct. 4, 2013. The Marines and sailors performed tasks such as yard work and construction for elderly and disabled locals.