The military surveyed 400,000 active-duty and reserve troops and separately surveyed 150,000 military spouses, probing anticipated reactions to a range of issues including showering or bunking with openly gay or lesbian service members and attending social functions which same-sex couples might also attend.
The review was designed to examine both the potential consequences of allowing gay troops to serve openly as well as identify challenges for integrating openly gay troops into the armed forces under existing laws.
President Obama, Adm. Mullen, and Gates have all called for a repeal of the policy.
A recent CNN/Opinion Research poll found that 78 percent of the public supports allowing openly gay people to serve in the military, with one in five opposed.
However Congress proceeds, Gen. Amos has pledged to abide by the law.
"We are the most disciplined service of all the ones that you have," he told lawmakers earlier this year. "We follow orders. "