OADP 3144 - Installing OADP on an AWS STS manually

backup_and_restore/application_backup_and_restore/installing/installing-oadp-aws.adoc

@@ -17,6 +17,9 @@ You configure AWS for Velero, create a default `Secret`, and then install the Da
 
 To install the OADP Operator in a restricted network environment, you must first disable the default OperatorHub sources and mirror the Operator catalog. See xref:../../../operators/admin/olm-restricted-networks.adoc#olm-restricted-networks[Using Operator Lifecycle Manager on restricted networks] for details.
 
+You can also install OADP on an AWS Security Token Service (AWS STS) cluster manually. Amazon AWS provides AWS Security Token Service (AWS STS) as a web service that enables you to request temporary, limited-privilege credentials for users. You use STS to provide trusted users with temporary access to resources via API calls, your AWS console or the AWS command line interface (CLI).
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 //include::modules/oadp-installing-operator.adoc[leveloffset=+1]
 include::modules/migration-configuring-aws-s3.adoc[leveloffset=+1]
 include::modules/oadp-about-backup-snapshot-locations-secrets.adoc[leveloffset=+1]