diff --git a/composer.json b/composer.json
index d564500360..9b70915a77 100644
--- a/composer.json
+++ b/composer.json
@@ -225,7 +225,10 @@
                 "3417771 : Some styling no longer applies due to form-actions -> field-actions html change (https://git.drupalcode.org/project/paragraphs/-/merge_requests/93.diff)": "patches/drupal/paragraphs/3417771.diff"
             },
             "drupal/purge": {
-                "3094343 : Garbled purge tag IDs": "https://www.drupal.org/files/issues/2023-09-07/purge-3094343-15.patch"
+                "3094343 : Garbled purge tag IDs": "https://www.drupal.org/files/issues/2023-09-07/purge-3094343-15.patch",
+                "3460094 : Running drush p:queue-add fails (https://www.drupal.org/files/issues/2024-07-25/3460094-5-there-is-no-purger-supporting-array.patch)":  "patches/drupal/purge/3460094.diff",
+                "3460094 : Purge defines drush commands twice (https://www.drupal.org/files/issues/2024-10-18/3460094-remove_drush_services_yml.patch)":  "patches/drupal/purge/3460094-2.diff"
+
             },
             "drupal/responsive_favicons": {
                 "3376766 : Incorrect path if Drupal is installed in subfolder": "https://git.drupalcode.org/project/responsive_favicons/-/merge_requests/6.patch",
diff --git a/composer.lock b/composer.lock
index e0c66ad674..b99d82202b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "12b69e2ce70d858b8fd7d185a771116b",
+    "content-hash": "4a625e91f0bc8534a90074ce044dd03d",
     "packages": [
         {
             "name": "acquia/blt",
diff --git a/docroot/profiles/custom/cgov_site/modules/custom/cgov_caching_cdn/cgov_caching_cdn.install b/docroot/profiles/custom/cgov_site/modules/custom/cgov_caching_cdn/cgov_caching_cdn.install
index b5a4350432..3357796bc1 100644
--- a/docroot/profiles/custom/cgov_site/modules/custom/cgov_caching_cdn/cgov_caching_cdn.install
+++ b/docroot/profiles/custom/cgov_site/modules/custom/cgov_caching_cdn/cgov_caching_cdn.install
@@ -27,7 +27,7 @@ function cgov_caching_cdn_install() {
   // Set config.
   $config_factory = \Drupal::service('config.factory');
   $config_installer = new CgovPurgeConfigInstaller($config_factory);
-  $config_installer->installPurgeConfiguration(['acquia_purge', 'akamai_tag']);
+  $config_installer->installPurgeConfiguration(['acquia_purge', 'akamai_tag', 'akamai']);
 }
 
 /**
@@ -42,3 +42,13 @@ function cgov_caching_cdn_update_8001() {
   $config_installer = new CgovPurgeConfigInstaller($config_factory);
   $config_installer->installPurgeConfiguration(['acquia_purge', 'akamai_tag']);
 }
+
+/**
+ * Updates purge config to include Akamai purger for URLs.
+ */
+function cgov_caching_cdn_update_10001() {
+  // Set config.
+  $config_factory = \Drupal::service('config.factory');
+  $config_installer = new CgovPurgeConfigInstaller($config_factory);
+  $config_installer->installPurgeConfiguration(['acquia_purge', 'akamai_tag', 'akamai']);
+}
diff --git a/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/cgov_core.module b/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/cgov_core.module
index 5ef3358161..e9c291a020 100644
--- a/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/cgov_core.module
+++ b/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/cgov_core.module
@@ -22,6 +22,9 @@ use Drupal\views\Plugin\views\query\QueryPluginBase;
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\Component\Render\FormattableMarkup;
+use Drupal\Core\Site\Settings;
+use Drupal\redirect\Entity\Redirect;
+use Drupal\Core\Language\Language;
 
 /**
  * Implements hook_block_build_alter().
@@ -848,3 +851,71 @@ function cgov_core_taxonomy_term_delete(EntityInterface $entity) {
     }
   }
 }
+
+/**
+ * Method to clear source paths for redirects when inserted or updated.
+ */
+function clearRedirectSourceCache(Redirect $entity) {
+  // On local development without purge, make sure we don't fail.
+  $moduleHandler = \Drupal::service('module_handler');
+  if (!$moduleHandler->moduleExists('purge')) {
+    \Drupal::logger('cgov_core')->notice("Attempted to purge redirect without the purge module installed.");
+    return;
+  }
+
+  // Set up our needed variables for calculating the URL.
+  // The value for cgdp.cache_url_host is computed in cgov_caching.settings.php.
+  $host = Settings::get('cgdp.cache_url_host');
+  $host = rtrim($host, '/');
+  $sourcePath = '/' . $entity->redirect_source->path;
+
+  // The purge invalidation factory helps us construct an invalidation object
+  // that can be understood by the queuer and purgers.
+  $purgeInvalidationFactory = \Drupal::service('purge.invalidation.factory');
+
+  // If no language is specified for the redirect,
+  // purge the url for all languages.
+  $language = [$entity->language->value];
+  if ($entity->language->value === Language::LANGCODE_NOT_SPECIFIED) {
+    $langcodes = \Drupal::languageManager()->getLanguages();
+    $language = array_keys($langcodes);
+  }
+
+  // Create an absolute url for all languages based on $language,
+  // then create an invalidation object using it.
+  $invalidations = [];
+  foreach ($language as $value) {
+    $language_prefix = \Drupal::config('language.negotiation')->get("url.prefixes.$value");
+    if (!empty($language_prefix)) {
+      $sourcePath = Url::fromUri("internal:/{$language_prefix}{$sourcePath}")->toString();
+    }
+    $invalidateUrl = $host . $sourcePath;
+    $invalidations[] = $purgeInvalidationFactory->get('url', $invalidateUrl);
+  }
+
+  // Actually add the invalidations to the purge queue.
+  $purgeQueuers = \Drupal::service('purge.queuers');
+  $queuer = $purgeQueuers->get('drush_purge_queue_add');
+  if (empty($queuer)) {
+    \Drupal::logger('cgov_core')->notice("Attempted to purge redirect without the drush purgue queuer installed.");
+    return;
+  }
+  $purgeQueue = \Drupal::service('purge.queue');
+  $purgeQueue->add($queuer, $invalidations);
+}
+
+/**
+ * Implements hook_ENTITY_TYPE_insert().
+ */
+function cgov_core_redirect_insert(Redirect $entity) {
+  clearRedirectSourceCache($entity);
+}
+
+/**
+ * Implements hook_ENTITY_TYPE_update().
+ */
+function cgov_core_redirect_update(Redirect $entity) {
+  clearRedirectSourceCache($entity);
+  // We do not need to clear the $entity->original because the redirect module
+  // already clears that on updates and deletes via cache tag.
+}
diff --git a/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/src/CgovPurgeConfigInstaller.php b/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/src/CgovPurgeConfigInstaller.php
index 0932247486..522310759b 100644
--- a/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/src/CgovPurgeConfigInstaller.php
+++ b/docroot/profiles/custom/cgov_site/modules/custom/cgov_core/src/CgovPurgeConfigInstaller.php
@@ -28,6 +28,7 @@ class CgovPurgeConfigInstaller {
   private const PURGERS = [
     'acquia_purge' => '8813de186f',
     'akamai_tag' => 'bf950143a3',
+    'akamai' => '08153881ce',
   ];
 
   /**
diff --git a/docroot/sites/settings/cgov_caching.settings.php b/docroot/sites/settings/cgov_caching.settings.php
index aa21cde106..140db5f7fd 100644
--- a/docroot/sites/settings/cgov_caching.settings.php
+++ b/docroot/sites/settings/cgov_caching.settings.php
@@ -7,14 +7,16 @@
  * @see https://docs.acquia.com/site-factory/tiers/paas/workflow/hooks
  */
 
+require_once 'cgov_settings_utilities.inc';
+
+$env = CGovSettingsUtil::getEnvironmentName();
+$domain = CGovSettingsUtil::getDomain();
+
+// Set the domain for use when purging the cache.
+$settings['cgdp.cache_url_host'] = 'https://' . $domain;
+
 // Verify we're on an Acquia-hosted environment.
-if (file_exists('/var/www/site-php') && isset($_ENV['AH_SITE_ENVIRONMENT'])) {
-  // Alter '01dev,' '01test', and '01live' to match
-  // your website's environment names.
-  $env = $_ENV['AH_SITE_ENVIRONMENT'];
-  if (preg_match('/^ode\d*$/', $env)) {
-    $env = 'ode';
-  }
+if (CGovSettingsUtil::isAcquia()) {
 
   $config['system.performance']['css']['preprocess'] = TRUE;
   $config['system.performance']['css']['gzip'] = TRUE;
@@ -34,8 +36,11 @@
       break;
   }
 
-  // Setup proper .edgerc path for Akamai module
-  $ah_group = isset($_ENV['AH_SITE_GROUP']) ? $_ENV['AH_SITE_GROUP'] : NULL;
-  $config['akamai.settings']['edgerc_path'] = "/mnt/gfs/home/$ah_group/common/.edgerc";
-
+  // ODEs are not behind Akamai, but everything else conceivably could be.
+  if ($env != 'ode') {
+    // Setup proper .edgerc path for Akamai module
+    $ah_group = isset($_ENV['AH_SITE_GROUP']) ? $_ENV['AH_SITE_GROUP'] : NULL;
+    $config['akamai.settings']['edgerc_path'] = "/mnt/gfs/home/$ah_group/common/.edgerc";
+    $config['akamai.settings']['basepath'] = 'https://' . $domain;
+  }
 }
diff --git a/docroot/sites/settings/cgov_core.settings.php b/docroot/sites/settings/cgov_core.settings.php
index e70369c240..688d7c212a 100644
--- a/docroot/sites/settings/cgov_core.settings.php
+++ b/docroot/sites/settings/cgov_core.settings.php
@@ -7,6 +7,11 @@
  * @see https://docs.acquia.com/site-factory/tiers/paas/workflow/hooks
  */
 
+require_once 'cgov_settings_utilities.inc';
+
+$env = CGovSettingsUtil::getEnvironmentName();
+$domain = CGovSettingsUtil::getDomain();
+
 /*
 * Set the translation path to allow for easy management of third-party
 * translation files. The installer ignores the path for the initial install,
@@ -20,40 +25,12 @@
 $config['locale.settings']['translation']['use_source'] = 'local';
 $config['locale.settings']['translation']['path'] = DRUPAL_ROOT . '/translations';
 
-// Pass in the correct ACSF site name to build the sitemap.xml.
-// The base_url is picked up from, well, who knows what actually. It should be
-// what is passed in for the --uri flag to drush for the cron, but then again
-// it should appear as the site factory name? In any case we want to find the
-// preferred domain, which should always be the public facing one. This is
-// the name that shows on the card for the site. Anyway, you should always
-// add that one as the first domain when creating a site, and then we will
-// make sure that shows up in the sitemap.xml with the following code.
-if ($is_acsf_env && $acsf_db_name) {
-  $domains = gardens_data_get_sites_from_file($GLOBALS['gardens_site_settings']['conf']['acsf_db_name']);
-  // Full disclosure, I don't know if the preferred_domain is always set.
-  $domain = array_keys($domains)[0];
-  foreach ($domains as $site_name => $site_info) {
-    if (!empty($site_info['flags']['preferred_domain'])) {
-      $domain = $site_name;
-    }
-  }
-  $config['simple_sitemap.settings']['base_url'] = 'https://' . $domain;
-} else {
-  // NOTE: you can override this in your local.settings.php.
-  $config['simple_sitemap.settings']['base_url'] = 'https://www.cancer.gov';
-}
+// Pass in the correct domain name to build the sitemap.xml.
+// NOTE: you can override this in your local.settings.php.
+$config['simple_sitemap.settings']['base_url'] = 'https://' . $domain;
 
-// Get our current environment
-if (file_exists('/var/www/site-php') && isset($_ENV['AH_SITE_ENVIRONMENT'])) {
-  $env = $_ENV['AH_SITE_ENVIRONMENT'];
-  if (preg_match('/^ode\d*$/', $env)) {
-    $env = 'ode';
-  }
-} else {
-  $env = 'local';
-}
 // Settings for metatag attribute cgdp.domain.
-if($is_acsf_env && $acsf_db_name) {
+if(CGovSettingsUtil::isACSF()) {
   // For ACSF env.
   $acsf_domains = array_keys(gardens_data_get_sites_from_file($GLOBALS['gardens_site_settings']));
   foreach ($acsf_domains as $domain_value) {
@@ -73,10 +50,13 @@
   $settings['cgdp_domain'] = $env;
 }
 
-// on non-prod environments, route emails to logger
+// On non-prod environments, override email settings.
 if ($env !== "01live") {
-  // route e-mails to the logger.
+  // Route e-mails to the logger.
   $config['system.mail']['interface']['default'] = 'cgov_mail_logger';
+  // Change the contact form address.
+  $config['cgov_mail.settings']['contact_form_recipient'] = 'CancerGovTEST@nih.gov';
+  $config['cgov_mail.settings']['es_contact_form_recipient'] = 'CancerGovTEST@nih.gov';
 }
 
 // Outlook doesn't adhere to standards, so accommodating and using
@@ -92,7 +72,7 @@
 
 // Get the license dir from our current environment
 $licenseDir = '/var/licenses';
-if (file_exists('/var/www/site-php') && isset($_ENV['AH_SITE_ENVIRONMENT'])) {
+if (CGovSettingsUtil::isAcquia()) {
   $licenseDir = "/mnt/files/{$_ENV['AH_SITE_GROUP']}.{$_ENV['AH_SITE_ENVIRONMENT']}/licenses";
 }
 
diff --git a/docroot/sites/settings/cgov_saml_auth_config.settings.php b/docroot/sites/settings/cgov_saml_auth_config.settings.php
index efe7f5d379..1bad444415 100644
--- a/docroot/sites/settings/cgov_saml_auth_config.settings.php
+++ b/docroot/sites/settings/cgov_saml_auth_config.settings.php
@@ -5,10 +5,12 @@
  * Set up SAML settings for Single Sign-On
  */
 
+ require_once 'cgov_settings_utilities.inc';
+
  $samlDir = "";
 
 // Get our current environment
-if (file_exists('/var/www/site-php') && isset($_ENV['AH_SITE_ENVIRONMENT'])) {
+if (CGovSettingsUtil::isAcquia()) {
   $samlDir = "/mnt/files/{$_ENV['AH_SITE_GROUP']}.{$_ENV['AH_SITE_ENVIRONMENT']}/saml";
 } elseif (file_exists('/var/saml')) {
   $samlDir = "/var/saml";
diff --git a/docroot/sites/settings/cgov_settings_utilities.inc b/docroot/sites/settings/cgov_settings_utilities.inc
new file mode 100644
index 0000000000..b239eca941
--- /dev/null
+++ b/docroot/sites/settings/cgov_settings_utilities.inc
@@ -0,0 +1,97 @@
+<?php
+
+/**
+ * @file
+ * Cgov utility functions for use throughout the *.settings.php files
+ *
+ * Make sure to use require_once() so this file is never loaded more than
+ * once per page.
+ */
+
+ // Whenever BLT goes away, this is replaced by
+ // Acquia\Drupal\RecommendedSettings\Helpers\EnvironmentDetector;
+ use Acquia\Blt\Robo\Common\EnvironmentDetector;
+
+class CGovSettingsUtil {
+
+  /**
+   * Determines whether we are on an Acquia environment.
+   *
+   * @return bool
+   *   True if this is an Acquia environment (ACSF or AC)
+   */
+  public static function isAcquia() {
+    return (file_exists('/var/www/site-php') && isset($_ENV['AH_SITE_ENVIRONMENT']));
+  }
+
+  /**
+   * Determines whether we are on an ACSF environment.
+   *
+   * @return bool
+   *   True if this is an ACSF environment
+   */
+  public static function isACSF() {
+    $is_acsf_env = EnvironmentDetector::isAcsfEnv();
+    $acsf_db_name = EnvironmentDetector::getAcsfDbName();
+    return ($is_acsf_env && $acsf_db_name);
+  }
+
+  /**
+   * Returns the current environment name for use in determining settings.
+   *
+   * @return string
+   *   The environments name
+   */
+  public static function getEnvironmentName() {
+    if (self::isAcquia()) {
+      $env = $_ENV['AH_SITE_ENVIRONMENT'];
+      if (preg_match('/^ode\d*$/', $env)) {
+        $env = 'ode';
+      }
+    } else {
+      $env = 'local';
+    }
+    return $env;
+  }
+
+  /**
+   * Returns the current domain name for use in settings.
+   *
+   * @return string
+   *   The primary domain name
+   */
+  public static function getDomain() {
+    // Default our domain to PROD.
+    $domain = 'www.cancer.gov';
+    // Check if this is an ACSF site first.
+    if (self::isACSF()) {
+      $domains = gardens_data_get_sites_from_file($GLOBALS['gardens_site_settings']['conf']['acsf_db_name']);
+      // You should always add the public domain first domain when creating a site,
+      // but just in case we will set to the default first.
+      $domain = array_keys($domains)[0];
+      foreach ($domains as $site_name => $site_info) {
+        if (!empty($site_info['flags']['preferred_domain'])) {
+          $domain = $site_name;
+        }
+      }
+    // For non-ACSF sites, the domain depends on the environment name.
+    } else {
+      $env = self::getEnvironmentName();
+      switch ($env) {
+        case 'local':
+          $domain = 'www.devbox';
+          break;
+        case 'ode':
+          $domain = 'ncigovcd' . $_ENV['AH_SITE_ENVIRONMENT'] . '.prod.acquia-sites.com';
+          break;
+        // Other AC environments have a standard domain format.
+        default:
+          $domain = 'www-' . $env . '-ac.cancer.gov';
+          break;
+      }
+    }
+    return $domain;
+  }
+}
+
+
diff --git a/patches/drupal/purge/3460094-2.diff b/patches/drupal/purge/3460094-2.diff
new file mode 100644
index 0000000000..4bcdaecd14
--- /dev/null
+++ b/patches/drupal/purge/3460094-2.diff
@@ -0,0 +1,57 @@
+diff --git a/src/Drush/Commands/QueueCommands.php b/src/Drush/Commands/QueueCommands.php
+index 38e64bc..604bb6b 100644
+--- a/src/Drush/Commands/QueueCommands.php
++++ b/src/Drush/Commands/QueueCommands.php
+@@ -123,6 +123,12 @@ class QueueCommands extends DrushCommands implements SiteAliasManagerAwareInterf
+    * @hook init p:queue-add
+    */
+   public function queueAddParseExpressions(InputInterface $input, AnnotationData $annotationData) {
++    // This hook is run twice for some reason, so skip if we have already run.
++    $hasinitHookRunAlready = static::initHookStaticVariable();
++    if ($hasinitHookRunAlready) {
++      // Already run.
++      return;
++    }
+     $raw = trim(implode(" ", $input->getArguments()['expressions']));
+     $expressions = [];
+     if ($raw) {
+@@ -147,6 +153,15 @@ class QueueCommands extends DrushCommands implements SiteAliasManagerAwareInterf
+     $input->setArgument('expressions', $expressions);
+   }
+
++  /**
++   * Reset static varaible so command can be called again in same request.
++   *
++   * @hook post-init p:queue-add
++   */
++  public function queueAddParseExpressionsPostRun(InputInterface $input, AnnotationData $annotationData) {
++    static::initHookStaticVariable(TRUE);
++  }
++
+   /**
+    * Add one or more items to the queue for later processing.
+    *
+@@ -635,4 +650,23 @@ class QueueCommands extends DrushCommands implements SiteAliasManagerAwareInterf
+     return $result;
+   }
+
++  /**
++   * Provide a init hook static variable tracker. Default return is FALSE.
++   *
++   * @param bool $reset
++   *   Reset the staic varibale back to TRUE. Return is unaffected.
++   *
++   * @return bool
++   *   The previous static, regardless if reset.
++   */
++  protected static function initHookStaticVariable($reset = FALSE) {
++    static $hasInitHookRun = FALSE;
++    $old_state = $hasInitHookRun;
++    $hasInitHookRun = TRUE;
++    if ($reset) {
++      $hasInitHookRun = FALSE;
++    }
++    return $old_state;
++  }
++
+ }
diff --git a/patches/drupal/purge/3460094.diff b/patches/drupal/purge/3460094.diff
new file mode 100644
index 0000000000..34d70d37a1
--- /dev/null
+++ b/patches/drupal/purge/3460094.diff
@@ -0,0 +1,63 @@
+diff --git a/composer.json b/composer.json
+index 08b04a8..3d2a947 100644
+--- a/composer.json
++++ b/composer.json
+@@ -12,11 +12,6 @@
+     "extra": {
+         "branch-alias": {
+             "dev-8.x-3.x": "3.x-dev"
+-        },
+-        "drush": {
+-            "services": {
+-                "drush.services.yml": ">=10"
+-            }
+         }
+     }
+ }
+diff --git a/drush.services.yml b/drush.services.yml
+deleted file mode 100644
+index f026873..0000000
+--- a/drush.services.yml
++++ /dev/null
+@@ -1,41 +0,0 @@
+-services:
+-  purge_drush.debug_commands:
+-    class: Drupal\purge\Drush\Commands\DebugCommands
+-    arguments: ['@purge.logger']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.diagnostics_command:
+-    class: Drupal\purge\Drush\Commands\DiagnosticsCommand
+-    arguments: ['@purge.diagnostics']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.invalidate_command:
+-    class: Drupal\purge\Drush\Commands\InvalidateCommand
+-    arguments: ['@purge.invalidation.factory', '@purge.processors', '@purge.purgers']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.processor_commands:
+-    class: Drupal\purge\Drush\Commands\ProcessorCommands
+-    arguments: ['@purge.processors']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.purger_commands:
+-    class: Drupal\purge\Drush\Commands\PurgerCommands
+-    arguments: ['@purge.purgers']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.queue_commands:
+-    class: Drupal\purge\Drush\Commands\QueueCommands
+-    arguments: ['@purge.processors', '@purge.purgers', '@purge.invalidation.factory', '@purge.queue', '@purge.queue.stats', '@purge.queuers']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.queuer_commands:
+-    class: Drupal\purge\Drush\Commands\QueuerCommands
+-    arguments: ['@purge.queuers']
+-    tags:
+-      - { name: drush.command }
+-  purge_drush.types_command:
+-    class: Drupal\purge\Drush\Commands\TypesCommand
+-    arguments: ['@purge.invalidation.factory', '@purge.purgers']
+-    tags:
+-      - { name: drush.command }