I am happy with this version

mission/system/objects/AcsSubsystem.cpp

@@ -81,3 +81,9 @@ void AcsSubsystem::handleEventMessages() {
     }
   }
 }
+
+void AcsSubsystem::announceMode(bool recursive) {
+  const char* modeStr = acs::getModeStr(static_cast<acs::AcsMode>(mode));
+  sif::info << "ACS subsystem is now in " << modeStr << " mode" << std::endl;
+  return Subsystem::announceMode(recursive);
+}

mission/system/objects/AcsSubsystem.h

@@ -10,6 +10,7 @@ class AcsSubsystem : public Subsystem {
  private:
   ReturnValue_t initialize() override;
   void performChildOperation() override;
+  void announceMode(bool recursive) override;
 
   void handleEventMessages();
 

mission/system/objects/CMakeLists.txt

@@ -4,6 +4,7 @@ target_sources(
           CamSwitcher.cpp
           AcsSubsystem.cpp
           ComSubsystem.cpp
+          TcsSubsystem.cpp
           PayloadSubsystem.cpp
           AcsBoardAssembly.cpp
           Stack5VHandler.cpp

mission/system/objects/EiveSystem.cpp

@@ -1,5 +1,43 @@
 #include "EiveSystem.h"
 
+#include <mission/acsDefs.h>
+
 EiveSystem::EiveSystem(object_id_t setObjectId, uint32_t maxNumberOfSequences,
                        uint32_t maxNumberOfTables)
     : Subsystem(setObjectId, maxNumberOfSequences, maxNumberOfTables) {}
+
+void EiveSystem::announceMode(bool recursive) {
+  const char* modeStr = "UNKNOWN";
+  switch (mode) {
+    case (acs::AcsMode::OFF): {
+      modeStr = "OFF";
+      break;
+    }
+    case (acs::AcsMode::SAFE): {
+      modeStr = "SAFE";
+      break;
+    }
+    case (acs::AcsMode::DETUMBLE): {
+      modeStr = "DETUBMLE";
+      break;
+    }
+    case (acs::AcsMode::PTG_IDLE): {
+      modeStr = "POINTING IDLE";
+      break;
+    }
+    case (acs::AcsMode::PTG_INERTIAL): {
+      modeStr = "POINTING INERTIAL";
+      break;
+    }
+    case (acs::AcsMode::PTG_TARGET): {
+      modeStr = "POINTING TARGET";
+      break;
+    }
+    case (acs::AcsMode::PTG_TARGET_GS): {
+      modeStr = "POINTING TARGET GS";
+      break;
+    }
+  }
+  sif::info << "EIVE system is now in " << modeStr << " mode" << std::endl;
+  return Subsystem::announceMode(recursive);
+}

mission/system/objects/EiveSystem.h

@@ -8,6 +8,7 @@ class EiveSystem : public Subsystem {
   EiveSystem(object_id_t setObjectId, uint32_t maxNumberOfSequences, uint32_t maxNumberOfTables);
 
  private:
+  void announceMode(bool recursive) override;
 };
 
 #endif /* MISSION_SYSTEM_EIVESYSTEM_H_ */

mission/system/objects/TcsSubsystem.cpp

@@ -0,0 +1,27 @@
+#include "TcsSubsystem.h"
+
+#include "fsfw/devicehandlers/DeviceHandlerIF.h"
+
+TcsSubsystem::TcsSubsystem(object_id_t objectId, uint32_t maxNumberOfSequences,
+                           uint32_t maxNumberOfTables)
+    : Subsystem(objectId, maxNumberOfSequences, maxNumberOfTables) {}
+
+void TcsSubsystem::announceMode(bool recursive) {
+  const char* modeStr = "UNKNOWN";
+  switch (mode) {
+    case (HasModesIF::MODE_OFF): {
+      modeStr = "OFF";
+      break;
+    }
+    case (HasModesIF::MODE_ON): {
+      modeStr = "ON";
+      break;
+    }
+    case (DeviceHandlerIF::MODE_NORMAL): {
+      modeStr = "NORMAL";
+      break;
+    }
+  }
+  sif::info << "TCS subsystem is now in " << modeStr << " mode" << std::endl;
+  return Subsystem::announceMode(recursive);
+}

mission/system/objects/TcsSubsystem.h

@@ -0,0 +1,13 @@
+#ifndef MISSION_SYSTEM_OBJECTS_TCSSUBSYSTEM_H_
+#define MISSION_SYSTEM_OBJECTS_TCSSUBSYSTEM_H_
+#include <fsfw/subsystem/Subsystem.h>
+
+class TcsSubsystem : public Subsystem {
+ public:
+  TcsSubsystem(object_id_t objectId, uint32_t maxNumberOfSequences, uint32_t maxNumberOfTables);
+
+ private:
+  void announceMode(bool recursive) override;
+};
+
+#endif /* MISSION_SYSTEM_OBJECTS_TCSSUBSYSTEM_H_ */