diff --git a/container/DynamicFIFO.h b/container/DynamicFIFO.h
index abb53330..8f5c5e40 100644
--- a/container/DynamicFIFO.h
+++ b/container/DynamicFIFO.h
@@ -27,14 +27,26 @@ public:
 
 	/**
 	 * @brief	Custom copy constructor which prevents setting the
-	 * 	        underlying pointer wrong.
+	 * 	        underlying pointer wrong. This function allocates memory!
+	 * @details This is a very heavy operation so try to avoid this!
+	 *
 	 */
 	DynamicFIFO(const DynamicFIFO& other): FIFOBase<T>(other),
 			fifoVector(other.maxCapacity) {
 		this->setContainer(fifoVector.data());
 	}
 
-
+	/**
+	 * @brief Custom assignment operator
+	 * @details This is a very heavy operation so try to avoid this!
+	 * @param other DyamicFIFO to copy from
+	 */
+	DynamicFIFO& operator=(const DynamicFIFO& other){
+		FIFOBase<T>::operator=(other);
+		this->fifoVector = other.fifoVector;
+		this->setContainer(fifoVector.data());
+		return *this;
+	}
 private:
 	std::vector<T> fifoVector;
 };
diff --git a/container/FIFO.h b/container/FIFO.h
index 19f763fc..70113852 100644
--- a/container/FIFO.h
+++ b/container/FIFO.h
@@ -25,9 +25,21 @@ public:
 	 * @param other
 	 */
 	FIFO(const FIFO& other): FIFOBase<T>(other) {
+		this->fifoArray = other.fifoArray;
 		this->setContainer(fifoArray.data());
 	}
 
+	/**
+	 * @brief Custom assignment operator
+	 * @param other
+	 */
+	FIFO& operator=(const FIFO& other){
+		FIFOBase<T>::operator=(other);
+		this->fifoArray = other.fifoArray;
+		this->setContainer(fifoArray.data());
+		return *this;
+	}
+
 private:
 	std::array<T, capacity> fifoArray;
 };
diff --git a/container/FixedMap.h b/container/FixedMap.h
index dc19ce53..65459631 100644
--- a/container/FixedMap.h
+++ b/container/FixedMap.h
@@ -4,12 +4,15 @@
 #include "ArrayList.h"
 #include "../returnvalues/HasReturnvaluesIF.h"
 #include <utility>
+#include <type_traits>
 
 /**
  * \ingroup container
  */
 template<typename key_t, typename T>
 class FixedMap: public SerializeIF {
+	static_assert (std::is_trivially_copyable<T>::value or std::is_base_of<SerializeIF, T>::value,
+			"Types used in FixedMap must either be trivial copy-able or a derived Class from SerializeIF to be serialize-able");
 public:
 	static const uint8_t INTERFACE_ID = CLASS_ID::FIXED_MAP;
 	static const ReturnValue_t KEY_ALREADY_EXISTS = MAKE_RETURN_CODE(0x01);
diff --git a/tmtcservices/CommandingServiceBase.h b/tmtcservices/CommandingServiceBase.h
index 864a0614..23b08acf 100644
--- a/tmtcservices/CommandingServiceBase.h
+++ b/tmtcservices/CommandingServiceBase.h
@@ -211,8 +211,7 @@ protected:
 
 	virtual void doPeriodicOperation();
 
-
-	struct CommandInfo {
+	struct CommandInfo: public SerializeIF{
 		struct tcInfo {
 			uint8_t ackFlags;
 			uint16_t tcPacketId;
@@ -225,6 +224,20 @@ protected:
 		Command_t command;
 		object_id_t objectId;
 		FIFO<store_address_t, 3> fifo;
+
+		virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size,
+					size_t maxSize, Endianness streamEndianness) const override{
+			return HasReturnvaluesIF::RETURN_FAILED;
+		};
+
+		virtual size_t getSerializedSize() const override {
+			return 0;
+		};
+
+		virtual ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size,
+				Endianness streamEndianness) override{
+			return HasReturnvaluesIF::RETURN_FAILED;
+		};
 	};
 
 	using CommandMapIter = FixedMap<MessageQueueId_t,