diff --git a/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.jsx b/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.jsx
index 8c790a8b71..0fc18e12c6 100644
--- a/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.jsx
+++ b/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.jsx
@@ -1,23 +1,33 @@
-import React, { useEffect, useRef, useState } from 'react';
+import React, { useCallback, useEffect, useRef, useState } from 'react';
 import { Link, useHistory } from 'react-router-dom';
 import { withI18n } from '@lingui/react';
 import { t } from '@lingui/macro';
+import styled from 'styled-components';
+import { QuestionCircleIcon as PFQuestionCircleIcon } from '@patternfly/react-icons';
 
-import { Button, Chip, List, ListItem } from '@patternfly/react-core';
+import { Button, Chip, List, ListItem, Tooltip } from '@patternfly/react-core';
 import AlertModal from '../../../components/AlertModal';
 import { CardBody, CardActionsRow } from '../../../components/Card';
 import ChipGroup from '../../../components/ChipGroup';
 import { VariablesDetail } from '../../../components/CodeMirrorInput';
+import ContentError from '../../../components/ContentError';
+import ContentLoading from '../../../components/ContentLoading';
 import CredentialChip from '../../../components/CredentialChip';
 import DeleteButton from '../../../components/DeleteButton';
+import InventorySourceSyncButton from '../shared/InventorySourceSyncButton';
 import {
   DetailList,
   Detail,
   UserDateDetail,
 } from '../../../components/DetailList';
 import ErrorDetail from '../../../components/ErrorDetail';
+import useRequest from '../../../util/useRequest';
 import { InventorySourcesAPI } from '../../../api';
 
+const QuestionCircleIcon = styled(PFQuestionCircleIcon)`
+  margin-left: 10px;
+`;
+
 function InventorySourceDetail({ inventorySource, i18n }) {
   const {
     created,
@@ -53,12 +63,28 @@ function InventorySourceDetail({ inventorySource, i18n }) {
   const history = useHistory();
   const isMounted = useRef(null);
 
+  const {
+    result: sourceChoices,
+    error,
+    isLoading,
+    request: fetchSourceChoices,
+  } = useRequest(
+    useCallback(async () => {
+      const { data } = await InventorySourcesAPI.readOptions();
+      return Object.assign(
+        ...data.actions.GET.source.choices.map(([key, val]) => ({ [key]: val }))
+      );
+    }, []),
+    {}
+  );
+
   useEffect(() => {
     isMounted.current = true;
+    fetchSourceChoices();
     return () => {
       isMounted.current = false;
     };
-  }, []);
+  }, [fetchSourceChoices]);
 
   const handleDelete = async () => {
     try {
@@ -68,9 +94,9 @@ function InventorySourceDetail({ inventorySource, i18n }) {
         InventorySourcesAPI.destroy(id),
       ]);
       history.push(`/inventories/inventory/${inventory.id}/sources`);
-    } catch (error) {
+    } catch (err) {
       if (isMounted.current) {
-        setDeletionError(error);
+        setDeletionError(err);
       }
     }
   };
@@ -90,24 +116,99 @@ function InventorySourceDetail({ inventorySource, i18n }) {
   ) {
     optionsList = (
       <List>
-        {overwrite && <ListItem>{i18n._(t`Overwrite`)}</ListItem>}
-        {overwrite_vars && (
-          <ListItem>{i18n._(t`Overwrite variables`)}</ListItem>
+        {overwrite && (
+          <ListItem>
+            {i18n._(t`Overwrite`)}
+            <Tooltip
+              content={
+                <>
+                  {i18n._(t`If checked, any hosts and groups that were
+          previously present on the external source but are now removed
+          will be removed from the Tower inventory. Hosts and groups
+          that were not managed by the inventory source will be promoted
+          to the next manually created group or if there is no manually
+          created group to promote them into, they will be left in the "all"
+          default group for the inventory.`)}
+                  <br />
+                  <br />
+                  {i18n._(t`When not checked, local child
+          hosts and groups not found on the external source will remain
+          untouched by the inventory update process.`)}
+                </>
+              }
+              position="top"
+            >
+              <QuestionCircleIcon />
+            </Tooltip>
+          </ListItem>
+        )}
+        {overwrite_vars && (
+          <ListItem>
+            {i18n._(t`Overwrite variables`)}
+            <Tooltip
+              content={
+                <>
+                  {i18n._(t`If checked, all variables for child groups
+                  and hosts will be removed and replaced by those found
+                  on the external source.`)}
+                  <br />
+                  <br />
+                  {i18n._(t`When not checked, a merge will be performed,
+                  combining local variables with those found on the
+                  external source.`)}
+                </>
+              }
+              position="top"
+            >
+              <QuestionCircleIcon />
+            </Tooltip>
+          </ListItem>
+        )}
+        {update_on_launch && (
+          <ListItem>
+            {i18n._(t`Update on launch`)}
+            <Tooltip
+              content={i18n._(t`Each time a job runs using this inventory,
+        refresh the inventory from the selected source before
+        executing job tasks.`)}
+              position="top"
+            >
+              <QuestionCircleIcon />
+            </Tooltip>
+          </ListItem>
         )}
-        {update_on_launch && <ListItem>{i18n._(t`Update on launch`)}</ListItem>}
         {update_on_project_update && (
-          <ListItem>{i18n._(t`Update on project update`)}</ListItem>
+          <ListItem>
+            {i18n._(t`Update on project update`)}
+            <Tooltip
+              content={i18n._(t`After every project update where the SCM revision
+        changes, refresh the inventory from the selected source
+        before executing job tasks. This is intended for static content,
+        like the Ansible inventory .ini file format.`)}
+              position="top"
+            >
+              <QuestionCircleIcon />
+            </Tooltip>
+          </ListItem>
         )}
       </List>
     );
   }
 
+  if (isLoading) {
+    return <ContentLoading />;
+  }
+
+  if (error) {
+    return <ContentError error={error} />;
+  }
+
   return (
     <CardBody>
       <DetailList>
         <Detail label={i18n._(t`Name`)} value={name} />
         <Detail label={i18n._(t`Description`)} value={description} />
-        <Detail label={i18n._(t`Source`)} value={source} />
+        <Detail label={i18n._(t`Source`)} value={sourceChoices[source]} />
         {organization && (
           <Detail
             label={i18n._(t`Organization`)}
@@ -132,7 +233,10 @@ function InventorySourceDetail({ inventorySource, i18n }) {
             }
           />
         )}
-        <Detail label={i18n._(t`Inventory file`)} value={source_path} />
+        <Detail
+          label={i18n._(t`Inventory file`)}
+          value={source_path === '' ? i18n._(t`/ (project root)`) : source_path}
+        />
         <Detail
           label={i18n._(t`Custom inventory script`)}
           value={source_script?.name}
@@ -233,6 +337,9 @@ function InventorySourceDetail({ inventorySource, i18n }) {
             {i18n._(t`Edit`)}
           </Button>
         )}
+        {user_capabilities?.start && (
+          <InventorySourceSyncButton source={inventorySource} icon={false} />
+        )}
         {user_capabilities?.delete && (
           <DeleteButton
             name={name}
diff --git a/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.test.jsx b/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.test.jsx
index 1eeab58dca..8877c745e4 100644
--- a/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.test.jsx
+++ b/awx/ui_next/src/screens/Inventory/InventorySourceDetail/InventorySourceDetail.test.jsx
@@ -10,6 +10,30 @@ import mockInvSource from '../shared/data.inventory_source.json';
 import { InventorySourcesAPI } from '../../../api';
 
 jest.mock('../../../api/models/InventorySources');
+InventorySourcesAPI.readOptions.mockResolvedValue({
+  data: {
+    actions: {
+      GET: {
+        source: {
+          choices: [
+            ['file', 'File, Directory or Script'],
+            ['scm', 'Sourced from a Project'],
+            ['ec2', 'Amazon EC2'],
+            ['gce', 'Google Compute Engine'],
+            ['azure_rm', 'Microsoft Azure Resource Manager'],
+            ['vmware', 'VMware vCenter'],
+            ['satellite6', 'Red Hat Satellite 6'],
+            ['cloudforms', 'Red Hat CloudForms'],
+            ['openstack', 'OpenStack'],
+            ['rhv', 'Red Hat Virtualization'],
+            ['tower', 'Ansible Tower'],
+            ['custom', 'Custom Script'],
+          ],
+        },
+      },
+    },
+  },
+});
 
 function assertDetail(wrapper, label, value) {
   expect(wrapper.find(`Detail[label="${label}"] dt`).text()).toBe(label);
@@ -24,14 +48,17 @@ describe('InventorySourceDetail', () => {
     jest.clearAllMocks();
   });
 
-  test('should render expected details', () => {
-    wrapper = mountWithContexts(
-      <InventorySourceDetail inventorySource={mockInvSource} />
-    );
+  test('should render expected details', async () => {
+    await act(async () => {
+      wrapper = mountWithContexts(
+        <InventorySourceDetail inventorySource={mockInvSource} />
+      );
+    });
+    await waitForElement(wrapper, 'ContentLoading', el => el.length === 0);
     expect(wrapper.find('InventorySourceDetail')).toHaveLength(1);
     assertDetail(wrapper, 'Name', 'mock inv source');
     assertDetail(wrapper, 'Description', 'mock description');
-    assertDetail(wrapper, 'Source', 'scm');
+    assertDetail(wrapper, 'Source', 'Sourced from a Project');
     assertDetail(wrapper, 'Organization', 'Mock Org');
     assertDetail(wrapper, 'Ansible environment', '/venv/custom');
     assertDetail(wrapper, 'Project', 'Mock Project');
@@ -69,44 +96,51 @@ describe('InventorySourceDetail', () => {
     expect(wrapper.find('VariablesDetail').prop('value')).toEqual(
       '---\nfoo: bar'
     );
-    expect(
-      wrapper
-        .find('Detail[label="Options"]')
-        .containsAllMatchingElements([
-          <li>Overwrite</li>,
-          <li>Overwrite variables</li>,
-          <li>Update on launch</li>,
-          <li>Update on project update</li>,
-        ])
-    ).toEqual(true);
+    wrapper.find('Detail[label="Options"] li').forEach(option => {
+      expect([
+        'Overwrite',
+        'Overwrite variables',
+        'Update on launch',
+        'Update on project update',
+      ]).toContain(option.text());
+    });
   });
 
-  test('should show edit and delete button for users with permissions', () => {
-    wrapper = mountWithContexts(
-      <InventorySourceDetail inventorySource={mockInvSource} />
-    );
+  test('should display expected action buttons for users with permissions', async () => {
+    await act(async () => {
+      wrapper = mountWithContexts(
+        <InventorySourceDetail inventorySource={mockInvSource} />
+      );
+    });
+    await waitForElement(wrapper, 'ContentLoading', el => el.length === 0);
     const editButton = wrapper.find('Button[aria-label="edit"]');
     expect(editButton.text()).toEqual('Edit');
     expect(editButton.prop('to')).toBe(
       '/inventories/inventory/2/source/123/edit'
     );
     expect(wrapper.find('DeleteButton')).toHaveLength(1);
+    expect(wrapper.find('InventorySourceSyncButton')).toHaveLength(1);
   });
 
-  test('should hide edit and delete button for users without permissions', () => {
+  test('should hide expected action buttons for users without permissions', async () => {
     const userCapabilities = {
       edit: false,
       delete: false,
+      start: false,
     };
     const invSource = {
       ...mockInvSource,
       summary_fields: { ...userCapabilities },
     };
-    wrapper = mountWithContexts(
-      <InventorySourceDetail inventorySource={invSource} />
-    );
+    await act(async () => {
+      wrapper = mountWithContexts(
+        <InventorySourceDetail inventorySource={invSource} />
+      );
+    });
+    await waitForElement(wrapper, 'ContentLoading', el => el.length === 0);
     expect(wrapper.find('Button[aria-label="edit"]')).toHaveLength(0);
     expect(wrapper.find('DeleteButton')).toHaveLength(0);
+    expect(wrapper.find('InventorySourceSyncButton')).toHaveLength(0);
   });
 
   test('expected api call is made for delete', async () => {
@@ -135,13 +169,33 @@ describe('InventorySourceDetail', () => {
     );
   });
 
+  test('Content error shown for failed options request', async () => {
+    InventorySourcesAPI.readOptions.mockImplementationOnce(() =>
+      Promise.reject(new Error())
+    );
+    expect(InventorySourcesAPI.readOptions).toHaveBeenCalledTimes(0);
+    await act(async () => {
+      wrapper = mountWithContexts(
+        <InventorySourceDetail inventorySource={mockInvSource} />
+      );
+    });
+    expect(InventorySourcesAPI.readOptions).toHaveBeenCalledTimes(1);
+    await waitForElement(wrapper, 'ContentError', el => el.length === 1);
+    expect(wrapper.find('ContentError Title').text()).toEqual(
+      'Something went wrong...'
+    );
+  });
+
   test('Error dialog shown for failed deletion', async () => {
     InventorySourcesAPI.destroy.mockImplementationOnce(() =>
       Promise.reject(new Error())
     );
-    wrapper = mountWithContexts(
-      <InventorySourceDetail inventorySource={mockInvSource} />
-    );
+    await act(async () => {
+      wrapper = mountWithContexts(
+        <InventorySourceDetail inventorySource={mockInvSource} />
+      );
+    });
+    await waitForElement(wrapper, 'ContentLoading', el => el.length === 0);
     expect(wrapper.find('Modal[title="Error!"]')).toHaveLength(0);
     await act(async () => {
       wrapper.find('DeleteButton').invoke('onConfirm')();
diff --git a/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceListItem.jsx b/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceListItem.jsx
index 948faf60ec..a85ea121d1 100644
--- a/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceListItem.jsx
+++ b/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceListItem.jsx
@@ -14,8 +14,7 @@ import {
 } from '@patternfly/react-core';
 import { PencilAltIcon } from '@patternfly/react-icons';
 import StatusIcon from '../../../components/StatusIcon';
-
-import InventorySourceSyncButton from './InventorySourceSyncButton';
+import InventorySourceSyncButton from '../shared/InventorySourceSyncButton';
 
 function InventorySourceListItem({
   source,
diff --git a/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceSyncButton.jsx b/awx/ui_next/src/screens/Inventory/shared/InventorySourceSyncButton.jsx
similarity index 66%
rename from awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceSyncButton.jsx
rename to awx/ui_next/src/screens/Inventory/shared/InventorySourceSyncButton.jsx
index 50ac9395fd..03e32442ed 100644
--- a/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceSyncButton.jsx
+++ b/awx/ui_next/src/screens/Inventory/shared/InventorySourceSyncButton.jsx
@@ -9,7 +9,7 @@ import AlertModal from '../../../components/AlertModal/AlertModal';
 import ErrorDetail from '../../../components/ErrorDetail/ErrorDetail';
 import { InventoryUpdatesAPI, InventorySourcesAPI } from '../../../api';
 
-function InventorySourceSyncButton({ source, i18n }) {
+function InventorySourceSyncButton({ source, icon, i18n }) {
   const {
     isLoading: startSyncLoading,
     error: startSyncError,
@@ -43,21 +43,26 @@ function InventorySourceSyncButton({ source, i18n }) {
     }, [source.id])
   );
 
-  const { error, dismissError } = useDismissableError(
-    cancelSyncError || startSyncError
-  );
+  const {
+    error: startError,
+    dismissError: dismissStartError,
+  } = useDismissableError(startSyncError);
+  const {
+    error: cancelError,
+    dismissError: dismissCancelError,
+  } = useDismissableError(cancelSyncError);
 
   return (
     <>
-      {source.status === 'pending' ? (
+      {['running', 'pending', 'updating'].includes(source.status) ? (
         <Tooltip content={i18n._(t`Cancel sync process`)} position="top">
           <Button
             isDisabled={cancelSyncLoading || startSyncLoading}
             aria-label={i18n._(t`Cancel sync source`)}
-            variant="plain"
+            variant={icon ? 'plain' : 'secondary'}
             onClick={cancelSyncProcess}
           >
-            <MinusCircleIcon />
+            {icon ? <MinusCircleIcon /> : i18n._(t`Cancel sync`)}
           </Button>
         </Tooltip>
       ) : (
@@ -65,24 +70,33 @@ function InventorySourceSyncButton({ source, i18n }) {
           <Button
             isDisabled={cancelSyncLoading || startSyncLoading}
             aria-label={i18n._(t`Start sync source`)}
-            variant="plain"
+            variant={icon ? 'plain' : 'secondary'}
             onClick={startSyncProcess}
           >
-            <SyncIcon />
+            {icon ? <SyncIcon /> : i18n._(t`Sync`)}
           </Button>
         </Tooltip>
       )}
-      {error && (
+      {startError && (
         <AlertModal
-          isOpen={error}
+          isOpen={startError}
           variant="error"
           title={i18n._(t`Error!`)}
-          onClose={dismissError}
+          onClose={dismissStartError}
         >
-          {startSyncError
-            ? i18n._(t`Failed to sync inventory source.`)
-            : i18n._(t`Failed to cancel inventory source sync.`)}
-          <ErrorDetail error={error} />
+          {i18n._(t`Failed to sync inventory source.`)}
+          <ErrorDetail error={startError} />
+        </AlertModal>
+      )}
+      {cancelError && (
+        <AlertModal
+          isOpen={cancelError}
+          variant="error"
+          title={i18n._(t`Error!`)}
+          onClose={dismissCancelError}
+        >
+          {i18n._(t`Failed to cancel inventory source sync.`)}
+          <ErrorDetail error={cancelError} />
         </AlertModal>
       )}
     </>
@@ -91,10 +105,12 @@ function InventorySourceSyncButton({ source, i18n }) {
 
 InventorySourceSyncButton.defaultProps = {
   source: {},
+  icon: true,
 };
 
 InventorySourceSyncButton.propTypes = {
   source: PropTypes.shape({}),
+  icon: PropTypes.bool,
 };
 
 export default withI18n()(InventorySourceSyncButton);
diff --git a/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceSyncButton.test.jsx b/awx/ui_next/src/screens/Inventory/shared/InventorySourceSyncButton.test.jsx
similarity index 95%
rename from awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceSyncButton.test.jsx
rename to awx/ui_next/src/screens/Inventory/shared/InventorySourceSyncButton.test.jsx
index f4552be2f4..ad92975edd 100644
--- a/awx/ui_next/src/screens/Inventory/InventorySources/InventorySourceSyncButton.test.jsx
+++ b/awx/ui_next/src/screens/Inventory/shared/InventorySourceSyncButton.test.jsx
@@ -25,18 +25,19 @@ describe('<InventorySourceSyncButton />', () => {
     wrapper.unmount();
     jest.clearAllMocks();
   });
-  test('should mount properly', async () => {
+
+  test('should mount properly', () => {
     expect(wrapper.find('InventorySourceSyncButton').length).toBe(1);
   });
 
-  test('should render start sync button', async () => {
+  test('should render start sync button', () => {
     expect(wrapper.find('SyncIcon').length).toBe(1);
     expect(
       wrapper.find('Button[aria-label="Start sync source"]').prop('isDisabled')
     ).toBe(false);
   });
 
-  test('should render cancel sync button', async () => {
+  test('should render cancel sync button', () => {
     wrapper = mountWithContexts(
       <InventorySourceSyncButton
         source={{ status: 'pending', ...source }}
@@ -57,6 +58,7 @@ describe('<InventorySourceSyncButton />', () => {
     );
     expect(InventorySourcesAPI.createSyncStart).toBeCalledWith(1);
   });
+
   test('should cancel sync properly', async () => {
     InventorySourcesAPI.readDetail.mockResolvedValue({
       data: { summary_fields: { current_update: { id: 120 } } },
@@ -83,6 +85,7 @@ describe('<InventorySourceSyncButton />', () => {
     expect(InventorySourcesAPI.readDetail).toBeCalledWith(1);
     expect(InventoryUpdatesAPI.createSyncCancel).toBeCalledWith(120);
   });
+
   test('should throw error on sync start properly', async () => {
     InventorySourcesAPI.createSyncStart.mockRejectedValueOnce(
       new Error({