Resource regarding sexual orientation and the military from the APA.

Knights Out is an organization of West Point Alumni, Staff and Faculty who are united in supporting the rights of Lesbian, Gay, Bisexual and Transgender soldiers to openly serve their country.

OutServe is the association of actively-serving LGBT military personnel. With over 5,000 members and 50+ chapters worldwide, it is one of the largest LGBT employee resource groups in the world. OutServe works to support a professional network of LGBT military personnel and create an environment of respect in the military with regard to sexual orientation and gender identity.

The Palm Center is a research institute committed to sponsoring state-of-the-art scholarship to enhance the quality of public dialogue about critical and controversial issues of the day. For the past decade, the Palm Center's research on sexual minorities in the military has been published in leading social scientific journals. The Palm Center seeks to be a resource for university-affiliated as well as independent scholars, students, journalists, opinion leaders, and members of the public.

The Transgender American Veterans Association (TAVA) was formed to address the growing concerns of fair and equal treatment of transgender veterans and active duty service members.