The letter corresponding to this chapter is Samech-Divine presence and SUPPORT; it stands for the Holy of Holies of the Temple.
As we said in the last lesson "The Sea" is in Hebrew the "Yam Suf". It is the name used for the Red Sea and the two arms of the Red sea, the Gulf of Suez and the Gulf of Eilat. For years it has been believed that HaShem parted the waters of the Gulf of Suez. Recent archeological investigations have revealed that the more probable crossing was the Gulf of Eilat (Gulf of Aqaba).
In the book "The Exodus Case" Dr Lennart Moller presents strong archeological evidence for the actual crossing of the Red Sea.
At the time of Moshe there was trade route that left Egypt and went across the center of the Sinai Peninsula, which was part of Egypt, to where the city Eliat, Israel is now located. This is the path that Moshe would most likely have taken when he fled from Pharaoh to the land of Midian. Midian was in the Arabian Peninsula. This is where Moshe met G-d in the burning bush and where G-d instructed Moshe to bring the people after leading them out of Egypt.
In the middle of the journey across the Sinai Peninsula they were instructed by HaShem to change direction and camp in Pi-Hachirot, which means "the mouth of the gorges". The "Wadi Watir" is a valley between the mountains of the Sinai Peninsula that ends at the Gulf of Eliat at a place called the Nuweiba Peninsula. It really is a "mouth between the gorges". There the Israelites would have been at the end of a road that would have trapped them between the Egyptians and the sea.
What is even more interesting is that upon scuba diving off the shore of Nuweiba a land bridge was discovered that is a flat, wide, hard surface, not a muddy soft bottom, and runs across the Gulf of Eliat to the Arabian Peninsula. In every other area of the gulf of Eliat the shoreline is very steep and the gulf is deep. But in this region, it seems that HaShem created a land bridge. It has gentle slope that would have been easily navigated by the elderly and the various carts that the animals would have been pulling.
If that isn't exciting enough, they discovered the remains of many chariot wheels and parts of chariots there with coral growing on them. There have also been some human and horse skeletons found in the wreckage of the chariots. The book has photographs of it all.
After crossing the Red Sea they were on the eastern side of the Gulf of Eilat. This is the Arabian Peninsula, where modern day Saudi Arabia is now located.
Sh'mot 15:1-10 Then Moshe and the sons of Israel sang this song to the L-RD, and said, "I will sing to the L-RD, for He is highly exalted; the horse and its rider He has hurled into the sea. "The L-RD is my strength and song, And He has become MY SALVATION; this is my G-d, and I will praise Him; My father's G-d, and I will extol Him. "The L-RD is a warrior; The L-RD is His name. "Pharaoh's chariots and his army He has cast into the sea; and the choicest of his officers are drowned in the Red Sea. "The deeps cover them; they went down into the depths like a stone. "Your right hand, O L-RD, is majestic in POWER, your right hand, O L-RD, shatters the enemy. "And in the GREATNESS of Your EXCELLENCE You do overthrow those who rise up against You; You do send forth your burning anger, and it consumes them as chaff. "And at the blast of your nostrils the waters were piled up, the flowing waters stood up like a heap; the deeps were congealed in the heart of the sea. "The enemy said, 'I will pursue, I will overtake, I will divide the spoil; my desire shall be gratified against them; I will draw out my sword, my hand shall destroy them.' "You did blow with your wind, the sea covered them; they sank like lead in the mighty waters.
He has become MY SALVATION - Remember that the Hebrew word for Salvation is "Yeshua" - So we could read the sentence as follows: The L-RD is my strength and song, and He has become MY Yeshua.
The first part of Moshe's song praises the L-rd for His victory over the Egyptians.